integral cotanx cosec⁴x

InTegraL TriGonoMetRi

∫cot x csc⁴ x dx
= ∫(sin x)^-5 . cos x dx
= ∫(sin x)^-5 dsin x
= 1/-4 (sin x)^-4 + C
= -1/4 csc⁴ x + C

pake cara integral subsitusi