Sin²x ,cos2x,
Sin2x Formula
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sin2x=2 sinx cosx
sin(square)x=1-cos(square)x
cos2x=2 cos(square)x-1
=1-2 sin(square)x
sin(square)x=1-cos(square)x
cos2x=2 cos(square)x-1
=1-2 sin(square)x
Ronaldosarvesh:
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