The measure θ of an angle in standard position is given. Find the exact values of cosθ and sinθ for each angle measure.

Question

3 years ago

6

The measure θ of an angle in standard position is given. Find the exact values of cosθ and sinθ for each angle measure.

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Mathematics

1 answer:

Finger [1] · Answer 1 · 2022-08-01T07:06:07+03:00

Finger [1]3 years ago

5 0

Answer:

sin Ф = -1 and cos Ф = 0

Step-by-step explanation:

If the angle is -pi/2 (or -90 degrees), then the radius must be 1 and the opposite (vertical) side -1. The horizontal (adjacent) side is 0.

Thus, the sine of this angle is opp/hyp = -1.

The cosine is adj/hyp = 0.