Math, asked by nuwnbuuf, 1 year ago

if sin theta +cos theta =p then show that p square-1 by 2 =sin theta . cos theta

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Answered by sparsh50

4

hey mate here is your answer
hope it helps you...

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Answered by rishy12

2

sinθ+cosθ=p

p2-1=sin2θ+2sinθcosθ+cos2θ-1

=1+2sinθcosθ-1

p2-1=2sinθcosθ

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