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JEE Advanced Mathematics question

MathematicsTrigonometric Ratio and IdentitiesJEE Advanced

If is an identity in , where 's are constants then the value of is

Answer: (B)

Solution

Using :

x3x=Missing argument for \frac\frac34 x3x-Missing argument for \frac\frac143x=Missing argument for \frac\frac38(2x-4x)-Missing argument for \frac\frac18(1-6x)

=

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Question ID VK-108480