Express cos a in terms of sin a

asked Nov 25, 2024 27.9k views

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Answer:

Explanation:

We know that

sin^2a+cos^2a = 1 ,
so if we rearrange that and solve for
cosa then we get

cosa = ±
√(1-sin^2a)

Cog answered Nov 30, 2024

by Cog

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