Question

prove that 1-cos^2A=sin^2A

Answer 1

Answer:

Step-by-step explanation:

We know the identity that

Cos^2(A) + Sin^2(A) = 1

By transposing Cos^2(A) to the other side, we get

Sin^2(A) = 1 - Cos^2(A)

Hence Proved

Answer 2

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