Cosine

Practice Questions

ACT Math › Cosine

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1

If $cos(x)=-\frac{\sqrt{3}}{2}$ and $0 \le x \le \pi$ , what is the value of $cos(x+\pi)$ ?

2

If $cos(x)=-\frac{\sqrt{3}}{2}$ and $0 \le x \le \pi$ , what is the value of $cos(x+\pi)$ ?

3

Given a function $y=2cos(\theta)+6$ , what is a valid domain?

4

What is the domain of the function ?

5

A man has a rope that is $40\textup{ feet}$ long, attached to the top of a small building. He pegs the rope into the ground at an angle of $14.5$^{\circ}$$ . How far away from the building did he walk horizontally to attach the rope to the ground? Round to the nearest inch.

6

What is the domain of the function ?

7

Given a function $y=2cos(\theta)+6$ , what is a valid domain?

8

A man has a rope that is $40\textup{ feet}$ long, attached to the top of a small building. He pegs the rope into the ground at an angle of $14.5$^{\circ}$$ . How far away from the building did he walk horizontally to attach the rope to the ground? Round to the nearest inch.

9

What is the domain of the function ?

10

What is the domain of the function ?

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