Question

( frac{x 21-(4 / 14+3114)}{2}+14 y+12 x sin 2 x )
( =Y_{2} quad int_{+72 n^{2} cosh 2 n}+60 n^{2} cos 2 n )
( -16 n^{3} sin 2 n-8 n^{4} cos r )
( operatorname{tg} mu=cos ^{3}(1-operatorname{cosen} n)+sin 2 pi )
Bran Ysin 2 h ( y_{3}=12 n+12 n cos 2 x )
( +30 x^{2} sin 2 x+24 x^{3} cos 2 x )
( -4 x^{4} sin 2 x )

# Find 4th derivative of rtsin's

Solution