If x = 3sin2θ, y = 3cos2θ then the value of x + y is ________
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Answered by
0
Answer:
Given,
x = 3sin²θ
y = 3cos²θ
We know that,
sin²θ + cos²θ = 1
Therefore,
= 3sin²θ + cos²θ
= 1
Answered by
0
Answer: 3
Step-by-step explanation: as x=3sin2theta and y=3cos2theta
we substitute ,
x+y=
= 3sin2theta + 3 cos2theta
= 3(sin2theta + cos2theta) - {we know tht sin2theta + cos2theta=1}
= 3x1 = 3
therefore the answer is 3
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