Question $4$:

Find $\frac{dy}{dx}$ for each of the following. Write your answer in the simplest form:

$y=x^2-4x+3cos(2)$

$(14$ Marks$)$

i$)y=x^2-4x+3cos(2)$

iii$)y=\sqrt[\phantom{2}]{x}tanx$

ii$)y=(2x-1{)}^4$

v$)y=si{n}^{-1}(x)$

$1$v$)y=\frac{x-2}{3}$

vi$)x^2+y^2=2xy$

vii$)y=sec(x^2+1)$