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The expression nsin^(2) theta + 2 n cos...

The expression ` nsin^(2) theta + 2 n cos( theta + alpha ) ` `sin alpha sin theta + cos2(alpha + theta ) ` is independent of ` theta ` , the value of n is

A

1

B

2

C

3

D

4

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The correct Answer is:
B
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ARIHANT MATHS-TRIGONOMETRIC EQUATIONS AND INEQUATIONS-Exercise (Single Option Correct Type Questions)
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