Question

x = 3 sin2θ, y = 3 cos2θ +3, find x + y.​

Answer 1

Step-by-step explanation:

x+y = 3sin2 + cos2tetha + 3

= 3(sin2 + cos2) + 3

since sin2 + cos2 = 1

= 3(1) + 3

= 3+3

=6