Find $\frac { d y } { d x } .$

question 244

Essay

Find $\frac { d y } { d x } .$ (a) $y = \left( \tan \frac { \pi } { 4 } - 3 \right) ^ { 4 }$ (b) $y = \tan x ^ { 3 }$ (c) $y = \tan ^ { 3 } x$ (d) $y = \left( 1 + e ^ { \sin x } \right) ^ { 3 }$

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