Question

(14) find ( int frac{sin ^{4} x}{cos ^{6} x} d x )
( int frac{sin ^{4} x}{cos ^{4} x} cdot frac{1}{cos ^{2} x} d x )
( int tan ^{4} x cdot sec ^{2} x cdot d x )
( operatorname{lot} tan x=t )
( D cdot N cdot gamma cdot t times )
( sec ^{2} x=d t / d x )
( d x sec ^{2} x=d t )
( int t^{4} cdot d t=frac{t^{5}}{5}+c )
( left(frac{tan x}{5}right)^{5}+operatorname{cs}left[x cdot sin left(frac{x^{n}+1}{n+1}right)right. )

# sinx (2n +1) roblem : Evaluate E I CR coso, dr, x

Solution