so-easy-cos-2-4x-sin-4-2x-dx-

Question Number 186171 by normans last updated on 01/Feb/23

[s o e a s y]

\int {c o s}^{2} (4 x) + {s i n}^{4} (2 x) d x

Answered by MJS_new last updated on 02/Feb/23

easy - cheesy :

\int \cos^{2} 4 x + \sin^{4} 2 x d x =

= \frac{5}{64} \sin 8 x - \frac{1}{8} \sin 4 x + \frac{7}{8} x + C

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