integrate (4cos^4 x -4cos^2x+1)^1/2
we must integrate (4cos4 x-4cos2 x+1)1/2 factorise first ((2cos2x-1)2)1/2this becomes (2cos2x-1)which equals cos 2xthe integral of cos 2x is1/2 sin 2x + C
DW
Related Maths A Level answers
All answers ▸A particle of mass M is being suspended by two ropes from a horizontal ceiling. Rope A has a tension of 15N at 30 deg and rope B has a tension of xN at 45 deg, find M assuming the particle remains stationary.
What is the derivative with respect to x of the function f(x)=1+x^3+ln(x), x>0 ?
How do I use the product rule for differentiation?
How would you differentiate ln(sin(3x))?