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3 years ago

12

If θ is an angle in standard position and its terminal side passes through the point (21,-20), find the exact value of \cot\thet

acotθ in simplest radical form.

1 answer:

STatiana [176]3 years ago

3 0

Buying the president of the state national national

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Help please!!!!!!!!!!!!!!!

lana66690 [7]

Answer:

y=6

Step-by-step explanation:

You always want to do X first but here you just see the number under y and you can just see 6 is across im not good at explaining but im sure its 6

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3 years ago

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What are the sine and cosine of 4π/3?

nignag [31]

Answer:

See below.

Step-by-step explanation:

Sin (4π/3) = -sqrt(3)/2

Cos(4π/3) = -1/2

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3 years ago

The perimeter of a shape is 25.71 cm calculate the value of the radius X takes pie to be 3.142

Mariulka [41]

Answer:

5 cm

Step-by-step explanation:

Given a semicircle with perimeter 25.71 cm, we are required to find the radius of the circle.

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=Length of the Circular part+Length of the diameter

$=\pi r+2r$

$If \: \pi=3.142, C=25.71\\Then:\\25.71=3.142r+2r\\r(3.142+2)=25.71\\5.142r=25.71\\r=25.71 \div5.142\\r=5cm$

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3 years ago

Help me please I don’t know how to do it

JulijaS [17]

Answer: The answer is 51

Step-by-step explanation:

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3 years ago

Which of the following relations is not a function?

SashulF [63]

Hello,

Answer A: 2 has two pictures (values)

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