1.

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

Answer»

Step-by-step explanation:

x+y = 3sin2 + cos2tetha + 3

= 3(sin2 + COS2) + 3

SINCE sin2 + cos2 = 1

= 3(1) + 3

= 3+3

=6



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