Prove the following

please help

Prove The Followingplease Help

Answers

Answer 1

Step-by-step explanation:

3. (1 + cos x) (1 − cos x)

Distribute using FOIL.

1 − cos²x

Use Pythagorean identity.

sin²x

4. sin x / (1 − cos x)

Multiply by the conjugate.

sin x (1 + cos x) / ((1 − cos x) (1 + cos x))

Distribute using FOIL.

sin x (1 + cos x) / (1 − cos²x)

Use Pythagorean identity.

sin x (1 + cos x) / sin²x

Divide.

(1 + cos x) / sin x.

Split the fraction.

(1 / sin x) + (cos x / sin x)

csc x + cot x


Related Questions


HELP ASAP PLSSS

Identify the relationship
BETWEEN the two angles below. Select ALL that
apply.

Linear Pair

Supplementary Angles

Congruent Angles

Complementary Angles

Vertical Angles

Adjacent Angles

Answers

Answer:

complementry and ajaecent

Step-by-step explanation:

complementry because they add up to 90 and ajecent cause they are next to each other

6. Find m2.
Can someone explain how to get the answer to this question please.

Answers

Answer:

m∠2 is 55°

Step-by-step explanation:

Let us revise some facts in geometry

In any triangle, the sum of the measures of its angles is 180°If two line intersected at a point, then they formed two pairs of vertically opposite angles, the vertically opposite angles are equal in measures

We will use these facts to solve our question

∵ ∠1 is an angle of a triangle

m∠1 + 40° + 85° = 180° ⇒ 1st fact

→ Add the like terms in the left side

∴ m∠1 + 125° = 180°

→ Subtract 125° from both sides

∴ m∠1 + 125° - 125° = 180° - 125°

m∠1 = 55°

∵ ∠1 and ∠2 formed from the intersecting of two lines

∠1 and ∠2 are vertically opposite angles

m∠1 = m∠2 ⇒ 2nd fact

∵ m∠1 = 55°

m∠2 = 55°

A stick is 9 m long. A rope is 2 times as long as the stick. If the rope is divided into 3 pieces, how many meters long is each piece of rope?

Answers

The length of rope(consist of 3 pieces)=9*2=18m
One piece=18/3=6m
Pls mark me as the Brainliest as I really need it!

Answer:

the answer is 9

Step-by-step explanation:

The tires of a semi-trailer truck are 3.2 feet tall. How many 360-degree rotations do the tires make when the truck travels 190 feet? Round your answer to the nearest whole number.

Answers

Answer:

4329deg/360deg=12 revolutions

Step-by-step explanation:

A student is ordering dried chili peppers and corn husks for a cooking class.

Chili peppers cost $16.95 per pound.
Corn husks cost $6.49 per pound.
The student plans to spend less than $50.

Answers

Are you trying to calculate the largest amount the student can purchase within the budget of $50?

50-23.44
= 26.56

He could by 2 chilli peppers and 2 corn husks for $46.88

Write 2.81 repeating as a mixed number in simplest form, if possible explain.

Answers

Answer:

2.81 as a mixed number is  2 81/100

Step-by-step explanation:

Given the function g(a) =4a -3. Solve for g(-2)

Answers

Answer: g(a) = 4(-2) - 3 = -8 - 3 = -11

Step-by-step explanation: your welcome. :)

Answer:

-11

Step-by-step explanation:

g(a) = 4a -3

g(-2)= 4(-2)-3

g(-2)= -8-3

g(-2)= -11

Dominic goes jogging every morning. If m represents the number of miles he jogs each day, which expression represents the total number of miles he jogs in a week?
7 m
7 + m
7 minus m
StartFraction 7 over m EndFraction

Answers

Answer:

The expression which represents the total number of miles he jogs in a week is 7 m ⇒ A

Step-by-step explanation:

Let us solve the question

∵ Dominic goes jogging every morning

∵ m represents the number of miles he jogs each day

→ That means he jogs m miles every day

∵ There are 7 days in a week

→ That means he jogs m miles every day for 7 days

∵ m + m + m + m + m + m + m = 7 × m

∴ He jogs in 1 week 7 × m miles

∴ He jogs 7 m miles in a week

The expression which represents the total number of miles he jogs in a week is 7 m

Answer:

A. 7m

Step-by-step explanation:

Since the answer above was really long

6x - 10y = 20 in slope intercept form

Answers

Slope intercept: y=mx+b
A: Y= 3/5x + 2

Move 6x to the other side of the equation by subtracting both sides by 6x.
You’ll then have -10y=-6x+20.
Simplify by dividing -10 on both sides. -6x divided by -10 is 3/5x, and 20 divided by 10 is 2.

The general equation of a straight line in slope-intercept form is given as:

y = mx + c

The slope-intercept form of 6x - 10y = 20 is y = (3/5)x - 2.

What is equation of a line?

The equation of a line is a form of representing the set of points, which form a line in a coordinate system. 

The general equation of a straight line is given as:

y = mx + c,

where m = slope of the line and c = y-intercept.

We have,

6x - 10y = 20 _____(1)

The slope intercept form is  y= mx + c

So,

Subtract -6x on both sides.

6x - 10y - 6x = 20 - 6x

-10y = 20 - 6x

Divide both sides by -10.

y = 20/-10 + 6x/10

y = -2 + 3x/5

y = (3/5)x - 2

Thus,

The slope-intercept form of 6x - 10y = 20 is y = (3/5)x - 2.

Learn more about equation of a line here:

https://brainly.com/question/14200719

#SPJ2

The banana bread card states it serves 10 people. How much flour is required to make enough bread for 30 people?​

Answers

Answer:  4 & 1/2 cups of flour

========================================================

The card says we need 1 & 1/2 cups of flour

Let's convert this to decimal form

1 & 1/2 = 1 + 1/2

1 & 1/2 = 1 + 0.5

1 & 1/2 = 1.5

The mixed number 1 & 1/2 is equivalent to the decimal number 1.5

Now multiply this by 3. This is because the recipe originally serves 10 people, but we want to serve 3 times as many people (3*10 = 30 total).

So,  3*1.5 = 4.5

Now convert back to a mixed number

4.5 = 4 + 0.5

4.5 = 4 + 1/2

4.5 = 4 & 1/2

We'll need 4 & 1/2 cups of flour.

----------------------

Here's another way to approach the problem

Multiply 3 by 1 & 1/2 to get

3*(1 & 1/2) = 3*(1 + 1/2)

3*(1 & 1/2) = 3*1 + 3*1/2

3*(1 & 1/2) = 3 + 3/2

3*(1 & 1/2) = 3 + (2+1)/2

3*(1 & 1/2) = 3 + 2/2 + 1/2

3*(1 & 1/2) = 3+1 + 1/2

3*(1 & 1/2) = 4 + 1/2

3*(1 & 1/2) = 4 & 1/2

You need 4 and 1/2 cups of flour to make enough bread for 30 people

You can do this by turning the 1 and 1/2 cups into a decimal: 1.5

Then you multiply 1.5 by 3 which gives you 4.5
4.5 also means 4 and 1/2

The governor of state A earns $49,185 more than the governor of state B. If the total of their salaries is $297,715, find the salaries of each.
The governor of state A earns $|
and the governor of state B earns $

Answers

Answer: Governor A gets $198,042.5 dollars. Governor B gets $99,672.5 Dollars

Hope this helps!!!

Step-by-step explanation:

mark me brainliest please

Which step shows the result of applying the subtraction property of equality?

One-fourth (12 x + 8) + 4 = 3

Step
Solution
1
3 x + 2 + 4 = 3
2
3 x + 6 = 3
3
3 x = negative 3
4
x = negative 1

Answers

Answer:

1

Step-by-step explanation:

Answer:

3X + 6 = 3

Step-by-step explanation:

1.Which measuring tool will you use to get 3/4 cup

a.1/2

b.1/4 + 1/4

c.1/2 + 1/4

d. 1/2 + 1/8​

Answers

The answer would be C.
We need common denominators so we could multiply 1/2 by 2 to get for as a denominator. When we multiply we get 2/4. Now that we have common denominators, we can add both 2/4 and 1/4 which would give us 3/4. Hope this helps and please mark brainliest!!!

7) Find the base of a triangle whose height is 12cm, and area is 96cm? Your answer​

Answers

Answer:

16 cm

Step-by-step explanation:

Area of triangle= ½ ×base ×height

Substitute given information into the formula:

96= ½ ×base ×12

Simplify:

96= 6 ×base

Divide both sides by 6:

base= 96 ÷6

base= 16 cm

Answer:

16 cm

[tex] \\ [/tex]

Step-by-step explanation:

It is given that, the height of a triangle is 12cm, and its area is 96cm² and we have to find the base of triangle.

[tex] \\ [/tex]

To find the base of the triangle, we have to know this formula :

[tex] \\ {\longrightarrow \pmb{\frak {\qquad \frac{1}{2} \times Base \times Height = Area_{(Triangle)} \:}}} \\ \\[/tex]

Now, substituting the values in the formula :

[tex]{\longrightarrow \pmb{\sf {\qquad \frac{1}{2} \times Base \times 12 = 96 \:}}} \\ \\[/tex]

[tex]{\longrightarrow \pmb{\sf {\qquad \frac{1}{ \cancel2} \times Base \times \cancel{12 } = 96 \:}}} \\ \\[/tex]

[tex]{\longrightarrow \pmb{\sf {\qquad {1} \times Base \times 6 = 96 \:}}} \\ \\[/tex]

[tex]{\longrightarrow \pmb{\sf {\qquad Base \times 6 = 96 \:}}} \\ \\[/tex]

[tex]{\longrightarrow \pmb{\sf {\qquad Base = \frac{96}{6} \:}}} \\ \\[/tex]

[tex]{\longrightarrow \pmb{\frak {\qquad Base = 16\:}}} \\ \\[/tex]

Therefore,

The base of the triangle is 16 cm

What is the inverse of the function f(x) = 2x – 10?

Answers

Answer:

f^-1(x) = (x+10) / 2

Step-by-step explanation:

sooo

f(x) = 2x - 10

y = 2x - 10

x = 2y - 10

x + 10 = 2y

y = (x + 10) / 2

f^-1(x) = (x+10) / 2

Answer:

[tex]f^{-1}(x)=\frac{x+10}{2}[/tex]

Step-by-step explanation:

[tex]f(x)=2x-10\\\\y=2x-10\\\\x=2y-10\\\\x+10=2y\\\\\frac{x+10}{2}=y\\ \\f^{-1}(x)=\frac{x+10}{2}[/tex]

As the two functions are inverses of each other, they will be symmetrical about the line [tex]y=x[/tex].

what is the SSS congruence theorem?

Answers

side side side
i learned this last year

what is the slope of the line that passes through (3,-5) and (-7,15)

Answers

Answer:

Slope = -2

Step-by-step explanation:

Answer: The slope is -2

Step-by-step explanation:  Find the difference in y-values divided by the difference in x-values

15 -(-5) = 20

-7 - 3 = -10

20/-10 = -2

what is the measure of 6?
explain why please


please anwser this asap.​

Answers

                 Statement                               Reason                  

1.       3x + 7 = ∠2              (Vertically opposite angles)2.         ∠2 = ∠5                    (Corresponging angles)3.         ∠5 = ∠6                 (Vertically opposite angles)

⇒ ∠2 = ∠5 = ∠6 = 3x + 7

Looking at the picture, we can see that ∠6 and 4x + 5 are a linear pair.

Finding the value of x:

⇒ ∠6 + 4x + 5 = 180

⇒ 3x + 7 + 4x + 5 = 180

⇒ 7x + 12 = 180

⇒ 7x = 180 - 12

⇒ 7x = 168

⇒ 7x/7 = 168/7

⇒ x = 168/7 = 24

Now, substitute the value of x into the expression "3x + 7" to find ∠6.

Finding the measure of ∠6:

⇒ ∠6 = 3x + 7

⇒ ∠6 = 3(24) + 7

⇒ ∠6 = 72 + 7

∠6 = 79°

Solve for r.
a = qb to
What is r equal to?

Answers

r=a−qb is the correct answer-

r=0

Step-by-step explanation:

r is not in the equation

Devaughn is 14 years older than Sydney. The sum of their ages is 110. What is Sydney's age?

Answers

d = s-14
d+s = 76

• substitution;
(s-14)+s = 76
2s-14= 76
2s = 90
s = 45 years old for Sydney
d = s-14 = 31 years old for Devaughn
hope this helps

Answer:

The answer would be 48

Sydney is 48

Devaughn is 62

48 + 62 = 110

Okays so you start by doing the equation 110 - 14 = 96

then dividing 96 by 2 (96 ÷ 2) which is 48

add 14 to 48 and you will get 62. We can automatically assume that sydney is 48 because when you add 48 to 62, you will get 110. I hope that this helps! ^‿^

The average class size in the school is 25 students. Suppose this class is
representative of all the students in the school. How many students in this class are
boys?

Answers

Answer:

10 of the students in the class are boys

These points are linear.
Find the slope.
x 1 3 5 7 9
y 0 5 10 15 20

Answers

Answer:

5/2

Step-by-step explanation:

to find the slope use the equation y2 - y1/ x2 - x1

sooo

0 - 5/1 - 3

-5 / -2

5/2

Ana angle measure 79.8 degrees less than the measure of it’s complementary angle what is the measure of each angle

Answers

Answer:

x = 129.8 degrees,  y = 50.2 degrees,    x + y = 180

Step-by-step explanation:

Let's say you have 2 supplementary angles, x and y

So x + y = 180

if x is 79.8 degrees less than the measure of a supplementary angle, then x = y - 79.8

Putting this into our x + y = 180 equation, we get

(y - 79.8) + y = 180

2y - 79.8 = 180

2y = 180 + 79.8

2y = 259.8

y = 259.8/2 = 129.9 degrees.

so x = 129.9 - 79.6 = 50.3 degrees.

See if it worked. x = 129.9 degrees,  y = 50.3 degrees,    x + y = 180 so we found the correct two angles! :-)

Cj walks 8 miles in 3 hours what is the unit rate does cj walk

Answers

Answer: 2 [tex]\frac{3}{5}[/tex]

Step-by-step explanation:

8/3 ( 8 divided by 3)

2 [tex]\frac{3}{5}[/tex]

Answer: 2   3/5

Step-by-step explanation: sorry for answering late and have a wonderful day!!!!!

also my i didnt know i walked 8 miles in 3 hours lolz. im just playin XD

The sum of two numbers is 100; the first number is 12 less than the second number? What equation best represents the following

Answers

Answer:

Let the first number be f.

Let the second number be s.

f = s-12

f+s = 100

Substitute the f in the first equation for the second equation.

s-12+s = 100

2s-12 =100

2s = 112

s = 56

Therefore f = 56-12 = 44

The 2 numbers are 56 and 44.

Help me I don’t get it

Answers

g+3f+f+g+g

g+g+g+3f+f

g(1+1+1)+f(3+1)

g(3)+f(4)

3g+4f

A man gets an invoice for ​$460 with terms 4/10, ​1/15, n/30. How much would he pay 6 days after the invoice​ date?

Answers

Answer:

$441.60

Step-by-step explanation:

Invoice amount: $460

Term 4/10= 4% discount if paid early within the first 10 days of the invoice date

Amount due: $441.60

Discount amount: $18.40

Invoice amount: $460

Term: 1/15= 1% discount if paid early within the first 15 days of the invoice date

Amount due: $455.40

Discount amount: $4.60

Invoice amount: $460

Term: n/30= no discount if paid on or after the 30 days from the invoice date

Amount due: $460

Discount amount: $0

5. Expand the monomial x⁴y².

Answers

Answer:

23y

Step-by-step explanation:

this my answer hope it's help

make me brainless pls

A light airplane is flying at 85 km/h on a heading of 130°. The wind is blowing at 25 km/h from a bearing of 260°. Find the ground velocity of the airplane.

Answers

Answer:

71.54km/hr

Step-by-step explanation:

Write the equation of the line that passes through (6, 2) with a slope of 4.

Answers

Answer:

y=mx-22

Step-by-step explanation:

Take standard line equation y=mx+c and substitute the given values of m=4, x=6, y=2 to find out the value of c

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