Q. 36

# Mark the Correct alternative in the following:If then b cos 2x + a sin 2x is equal toA.aB. bC. D.

Given

The value of the expression b cos 2x + a sin 2x

Now consider b cos 2x + a sin 2x

[ by using and ]

Then

= b

Hence b cos 2x + a sin 2x = b.

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