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UPSC NDA I 2025 Mathematics Paper

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Question Numbers: 41-43
Consider the following for the three (03) items that follow:
Let p = tan 2α - tanα and q = cotα - cot 2α

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Question : 43

Total: 120

What is tan²α equal to?

(pq)/(p+q)
(p+2q)/p
p/(p+2q)
p/(2p+q)

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