What is the derivative of sin2(x)

Chris Cruz

Chris Cruz

Answered

2021-12-19

What is the derivative of sin2(x)

Answer & Explanation

Hattie Schaeffer

Hattie Schaeffer

Expert

2021-12-20Added 37 answers

Explanation
You would use the chain rule to solve this. To do that, youll
Bernard Lacey

Bernard Lacey

Expert

2021-12-21Added 30 answers

y=sin2(x)
First -method:-
dydx=2sinxcosx=sin2x. Answer.
Second - method:-
y=sin2(x).  we know that.cos2A=12.sin2(A). or.  sin2(A)=1cos2A2
y=1.cos2x2
y=12.12cos2xS
dydx=012.(sin2x).2
dydx=sin2x.Answer.
RizerMix

RizerMix

Expert

2021-12-29Added 437 answers

y=sin2x. Let sinx=t,dt/dx=cosx
So y=t2. Diff. W.r.x.
dy/dx=2t.dt/dx=>dy/dx=2sinxcosx

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