Math, asked by sashanth, 1 year ago

derive the identity cos^2a+sin^a=1

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Answers

Answered by LoveBlue
5
Cos A+Cos2A=1
=> cosA = 1 – cos2A = sin2A

So, Required is
sin2A + sin4A
= Cos A+Cos2A
=1
Answered by prakhar8861
1
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