Question

If x=2 sin square theta and y=2 cos square theta +1,then find x+y

Answer 1

Answer:

x=2sin^2 theta

y=2cos^2theta + 1

So the answer is 3

Step-by-step explanation:

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

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

=2×1+1 (since; sin^2theta+cos^2 theta=1)

=2+1=3.