If $\tan \,\,x = \frac{b}{a}$, then the value of $a\,\,\cos \,\,2x + \,\,b\,\,\sin \,\,2x$ is

JEE MATHEMATICS MCQ: MULTIPLE AND SUBMULTIPLE ANGLES

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Application +4 | -1

\tan \,\,x = \frac{b}{a}

, then the value of

a\,\,\cos \,\,2x + \,\,b\,\,\sin \,\,2x

View answer and explanation

Correct option: D

a

Option D is correct because by substituting the value of tan x and simplifying, the expression reduces to 'a'.

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