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