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Select the correct answer if sin (0)=3/8, what is cos(0)

User GrayB
by
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1 Answer

4 votes

Answer:

Explanation:

we know the formula,

sin^2(0) + cos^2(0) = 1

=> cos^2(0) = 1 - sin^2(0)

=> cos^2(0) = 1 - (3/8)^2

=> cos^2(0) = 1 - 9/16

=> cos^2(0) = 7/16

=> cos(0) = square root of 7/16

User DudeOnRock
by
7.3k points

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