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20 points Sin 0 = -7/8 3pi/2 <0 < 2pi What is the exact value of cos 0 in simplified form?
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20 points

Sin 0 = -7/8
3pi/2 <0 < 2pi
What is the exact value of cos 0 in simplified form?

20 points Sin 0 = -7/8 3pi/2 <0 < 2pi What is the exact value of cos 0 in simplified-example-1
User Shantae
by
5.1k points

1 Answer

4 votes

Answer:

D

Explanation:


√(1^2 - (-7/8)^2) = √(1 - 49/64) = √((64-49)/64) = √(15/64) = √(15)/8

User Narendra Kothule
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