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COLLEGE CALCULUS. HELP!

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i don't know how to start this problem. i don't like cos and sin. im so confuse.

1.f(x)=sin(sin(x)), find f'(x)

2.f(x)= 4sin^4x, find f'(x). this problem i couldn't find it in my math book. i never see it before. because of sin exponent 4 -->sin^4

  • COLLEGE CALCULUS. HELP! -

    i got the result number 1 is cos(x)cos(sin(x)).
    im still stuck with number 2.

  • COLLEGE CALCULUS. HELP! -

    cos(sin(x))*cos(x)

    16sin^3(x)*cos(x)

    d/dx(f(x))= f'(x)*x'

  • COLLEGE CALCULUS. HELP! -

    thanks byant

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