Asked by Noe

Find the derivative

y=sinx(sinx+cosx)

I got y'= cos(x)-sin^2(x)+2cos(x)sin(x)

is this righttttttt??

10 years ago

Answered by Damon

sin (cos - sin) + cos (sin + cos)
-sin^2+cos^2 + 2 sin cos

I have cos^2
You have cos

10 years ago

Answered by Noe

So I just had the cos wrong?

10 years ago

Answered by Damon

as far as I know

10 years ago

Answered by Noe

Thanks

10 years ago

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