If x=2sin? and y=2cos’O+1, then find x+y
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Answer:
Given, x=2sin
2
θ,y=2cos
2
θ+1
To find: (x+y)
x+y=2sin
2
θ+2cos
2
θ+1
=2(sin
2
θ+cos
2
θ)+1 .....(As sin
2
θ+cos
2
θ=1)
=2+1
=3Step-by-step explanation:
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