помогите решить отмеченные
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Ответил Liamus
0
7.50
![y=sin^3xcdotcos x;\
y'=3sin ^2xcdotcos^2x-sin^4x.](https://tex.z-dn.net/?f=y%3Dsin%5E3xcdotcos+x%3B%5C%0Ay%27%3D3sin+%5E2xcdotcos%5E2x-sin%5E4x. "y=sin^3xcdotcos x;\
y'=3sin ^2xcdotcos^2x-sin^4x.")
7.51
![y=frac{3}{8}x-frac{1}{4}sin2x+frac{1}{32}sin 4x;\
y'=frac{3}{8}-frac{1}{2}cos 2x+frac{1}{8}cos 4x.](https://tex.z-dn.net/?f=y%3Dfrac%7B3%7D%7B8%7Dx-frac%7B1%7D%7B4%7Dsin2x%2Bfrac%7B1%7D%7B32%7Dsin+4x%3B%5C%0Ay%27%3Dfrac%7B3%7D%7B8%7D-frac%7B1%7D%7B2%7Dcos+2x%2Bfrac%7B1%7D%7B8%7Dcos+4x. "y=frac{3}{8}x-frac{1}{4}sin2x+frac{1}{32}sin 4x;\
y'=frac{3}{8}-frac{1}{2}cos 2x+frac{1}{8}cos 4x.")
7.52
![y=frac{1}{3}{rm tg}^3frac{x}{2}-{rm tg},frac{x}{2};\
y'=left(frac{1}{2}{rm tg}^2frac{x}{2}-frac{1}{2}right)cdotfrac{1}{cos^2frac{x}{2}}](https://tex.z-dn.net/?f=y%3Dfrac%7B1%7D%7B3%7D%7Brm+tg%7D%5E3frac%7Bx%7D%7B2%7D-%7Brm+tg%7D%2Cfrac%7Bx%7D%7B2%7D%3B%5C%0Ay%27%3Dleft%28frac%7B1%7D%7B2%7D%7Brm+tg%7D%5E2frac%7Bx%7D%7B2%7D-frac%7B1%7D%7B2%7Dright%29cdotfrac%7B1%7D%7Bcos%5E2frac%7Bx%7D%7B2%7D%7D "y=frac{1}{3}{rm tg}^3frac{x}{2}-{rm tg},frac{x}{2};\
y'=left(frac{1}{2}{rm tg}^2frac{x}{2}-frac{1}{2}right)cdotfrac{1}{cos^2frac{x}{2}}")
7.51
7.52
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