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5. What is the value of 8 in the unit circle below?

30°
600
b.
45°
d.
90°

5. What is the value of 8 in the unit circle below? 30° 600 b. 45° d. 90°-example-1
User Sliter
by
4.4k points

1 Answer

6 votes

9514 1404 393

Answer:

θ = 60°

Explanation:

The angle is more than 45° and less than 90°. The only viable choice is ...

θ = 60°

__

We can only read the x-coordinate of the point on the terminal ray. It is 1/2, which is the cosine of 60°. The angle must be 60°.

User Prakash Rao
by
4.7k points