Differentiate sin(5x) and 3cos(x) and 3tan(5x)
sin cos -sin -cos (down is differentiate and up is integrate) so, y = sin5x dy/dx = 5cos5x y=3cox dy/dx = -3sinx y=3tan5x dy/dx = 15sec2(5x) (remember sec(x) is the reciprocal of cos(x))
AC
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