if y = sin^2 x , then value of dy/dx at x=30 is
need a proper answer
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Answered by
2
Correct option is
A
2 cos(2x)
Given y=sin2x
Differentiate on both sides w.r.t. x
dx
dy
=
dx
d
(sin2x)
=cos2x
dx
d
(2x)
∴
dx
dy
=2cos2x
Answered by
2
Answer:
dy/dx=2 sinx cosx=sin2x=sin60=√3/2
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