Question

integration of sin square x dx

Answer 1

HEY YOUR ANSWER is HERE

____-----___------;_---_



The key to answering this question is to recognise that a common substitution of u=sin(x) wont work straight away so we must write theintegral in a different form. Knowing that cos(2x)=1-2sin^2(x), the sin^2(x)=(1/2)(1-cos(2x)). Therefore the integralequals the integral of (1/2)(1-cos(2x)).