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JEE Advanced Mathematics question

MathematicsTrigonometric EquationsJEE Advanced

Not in JEE Main syllabus

The most general values of satisfying are

Answer: (A)

Solution

Let . Since ,

(+θ)= (t-1).

So \dfrac{t-1}{t+1}t^2$+t+t-1=2t+2⇒

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Question ID VK-108543