Question

Rewrite sin^4xtan^2x in terms of the first power of the cosine

Answer 1

`\sin ^4 x \tan ^2 x = (\sin ^4 x\ \sin ^2 x )/(\cos ^2 x) = (\sin^6 x)/(\cos ^2 x) = ((\sin ^2 x)^3)/(\cos^2 x)=((1-\cos^2 x)^3)/(\cos^2 x)`