Asked by Anonymous

Differentiate:

y = sin(2x - 1) + cos(x^3) - tan(3x)
Answered by Reiny
Do each term, using your basic trig derivatives

so
y' = 2cos(2x-1) -3x^2(sin(x^3)) - 3sec<sup>2</sup> (3x)
Answered by Damien
Differentiate y=cos(3x)sin(x/2)
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