sin5x=cosx, find the general solutions for this please =)

y= ln3x *e^2x^2 + sin5x^2 find the derivative. i know what to do. but what is the derivative of...

General solution of cot2x=cosx+sinx

Let f(x) = 2ln(cosx), find f''(x)

Find dy/dx, if y= 5e^x/cosx

Find the solutions of sin5x + sin3x = 0 in the interval 0, 2pi. My answer: 0, pi/2, pi, 3pi/2

. Try this. If y=cosx find dy/d5x please show workings #thanks

Compute: lim (sin3x-sin5x)/(3sin2x) as x approaches 0.

Find f′(x) if f(x)=(cosx)^x .

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