Evaluate : `intsqrt((1+cos2x)/2)dx` `intsqrt((1-cos2x)/2)dx`

Explanation

Evaluate :
`intsqrt((1+cos2x)/2)dx`



= `intsqrt((1+2cos^2x-1)/2)dx`


=`intsqrt(cos^2x)dx+c`

=`intcosxdx`

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