3. Given the following functions f(x)=sinx and g(x)= cosx, find the value of each of the following.
a. (f+g) ( 30)
b. (f*g)(TT/4)

Write an equation of the line that passes through the point (2, 3) and is perpendicular to the line x = -1. a) y = 1 b) y = 3 c) y = 0 eliminate d) y = -3