Question

if x=2 sin square tita and y=2 cos square tita +1 , then the value of x+y

Answer 1

x = 2 sin^2 theta and y = 2 cos^2 theta +1

(x+y) = 2 sin^2 theta + 2 cos ^2 theta + 1

        = 2.

Answer 2

see if u can get that..