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motikmotik
3 years ago
10

Prove that sin x /(cosec x-cotx) = 1+ cos x​

Mathematics
1 answer:
anastassius [24]3 years ago
3 0
Here’s a photo of my working out. There’s heaps of ways to do this but this is what I got...

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Identify the area of the trapezoid. Please help!
Evgen [1.6K]

Answer:

\large\boxed{A=46x\ m^2}

Step-by-step explanation:

The formula of an area of a trapezoid:

A=\dfrac{b_1+b_2}{2}\cdot h

b₁, b₂ - bases

h - height

We have

b₁ = 12m , b₂ = 6.4 m, h = 5x m.

Substitute:

A=\dfrac{12+6.4}{2}\cdot5x=\dfrac{18.4}{2}\cdot5x=9.2\cdot5x=46x

3 0
4 years ago
Guyyyys I have a really hard question. How many sides does a 3 sided triangle have?
mezya [45]
Uhh i think it has 3


4 0
3 years ago
Read 2 more answers
Simplify the difference.<br> (7w2 – 7w – 8) – (5w2 + 2w – 3)
77julia77 [94]
Answer= 2w2-9w-5

Hope this helps
5 0
4 years ago
Read 2 more answers
A dartboard is divided into 20 sectors. Each sector is worth a point value from 1 to 20 and has shaded regions that double or
Nikitich [7]

The area of each sector is the amount of space on the sector

  • The area of the entire region is 6.89
  • The area of the double region is 0.75
  • The area of the triple region is 0.46

<h3>The area of the entire sector</h3>

The area of a sector is calculated as:

A = (1/2) × r^2θ

For the entire sector, we have:

θ =  π/10

r = 6.625

So, we have:

A = (1/2) × 6.625^2 × π/10

Evaluate the product

A = 6.89

<h3>The area of the double region </h3>

For the double region, we have:

θ =  π/10

r = 6.25

So, we have:

A = Complete sector - (1/2) × r^2θ

A = 6.89 - (1/2) × 6.25^2 × π/10

Evaluate the difference

A = 0.75

<h3>The area of the triple region </h3>

For the triple region, we have:

θ =  π/10

R = 4.125

r = 3.75

So, we have:

A = (1/2) × R^2θ - (1/2) × r^2θ

A = (1/2) × 4.125^2 × π/10 - (1/2) × 3.75^2 × π/10

Evaluate the difference

A = 0.46

Hence, the area of the triple region is 0.46

Read more about sector areas at:

brainly.com/question/16736105

8 0
2 years ago
Find the measure of angle x. Round your answer to the nearest hundredth. (please type the numerical answer only)
denis23 [38]

The measure of the angle x to the nearest hundredth is  22.62 degrees.

<h3>How to find the measure of an angle in a right triangle?</h3>

A right triangle is a triangle that has one of its angles as 90 degrees.

Therefore, the sides or angles can be found using trigonometric ratios, depending on the parameters given.

Hence, using trigonometric ratios,

cos x° = adjacent / hypotenuse

Therefore,

hypotenuse = 13 units

adjacent side = 12 units

Thus,

cos x = 12 / 13

cos x = 0.92307692307

x = cos ⁻¹ 0.92307692307

x = cos¹ 0.92307692307

x  = 22.619864948

x = 22.62 degrees

Therefore, the measure of the angle x to the nearest hundredth is  22.62 degrees.

learn more on right triangle here: brainly.com/question/27996575

#SPJ1

7 0
2 years ago
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