Whats the derivative of sin(3x)?

3*cos(3x)

TA

Related Further Mathematics A Level answers

All answers ▸

Prove by mathematical induction that, for all non-negative integers n, 11^(2n) + 25^n + 22 is divisible by 24


Prove by mathematical induction that 2^(2n-1) + 3^(2n-1) is divisible by 5 for all natural numbers n.


Solve the second order differential equation d^2y/dx^2 - 4dy/dx + 5y = 15cos(x), given that when x = 0, y = 1 and when x = 0, dy/dx = 0


Using z=cos(θ)+isin(θ), find expressions for z^n-1/z^n and z^n+1/z^n