Math, asked by sateeshbabu1974, 1 year ago

Cos2-sin2=1-2sin^2 please find the answer for this question

Answers

Answered by Anonymous
0

Hey

To prove:

cos^2-sin^2=1-2sin^2

LHS:

cos^2-sin^2

=1-sin^2-sin^2

=1-2sin^2 [cos^2=1-sin^2]

=RHS

Hence,proved


sateeshbabu1974: To
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