Find the integral of the following equation: y = cos^2(x)

First convert y into a suitably form.cos(2x) = 1 - 2cos2(x)cos2x = (1-cos(2x))/2
integral of y = integral of (1-cos(2x))/2 = (1/2)*(x-(1/2)sin(2x)) + C = x/2 - sin(2x)/4 + C

MH

Related Maths A Level answers

All answers ▸

Show that cosec(2x) + cot(2x) = cot(x)


Give the first and second derivative of the function f(x) = 5/x - 9x + 4


The General Form of the equation of a circle is x^2 + y^2 + 2gx +2fy + c = 0. Find the centre of the circle and the radius of the circle in terms of g f and c.


What is the equation of the curve that has gradient dy/dx=(4x-5) and passes through the point (3,7)?