1.

Find the derivative of the following functions (it is to be understand that a,b,c,d,p,q,r and s are fixed non-zero constants and m and n are integers): `sin (x+a)`

Answer» Let `y=sin(x+a)` ,brgt `rArr(dy)/(dx)=(d)/(dx)sin(x+a)`
`=cos(x+a)(d)/(dx)(x+a)`
`=cos(x+a).1=cos(x+a)`


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