Write the equation of a tangent line to a curve y = f(x) at a specific point (powers, sin x and cos x).

Write the equation of the line tangent to /(x) = cosx when x = 2 a.) V= - X+ O 2 3 TI b.) v= - x-- O 2 3 TI c)y=x+ O 2 d.) v=x- 3 TI O 2