Question

( =frac{1}{8} int frac{2 sin ^{2}(v)+1}{sin ^{prime}(v)} d v )
fom
( operatorname{ot}(v) )
( =-frac{cot ^{3}(v)}{3}-3 cot (v) )
( frac{1}{8} int frac{2 sin ^{2}(v)+1}{sin ^{(0)}(v)} d v )
( =-frac{cot ^{3}(v)}{24}-frac{3 cot (v)}{8} )

# (cos 2x-3) dx cos4 x 4-cot x

Solution