UPSC NDA 2 2016 Mathematics Solved Paper

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Question : 50 of 120

Marks: +1, -0

What is ‌‌

1−tan‌20‌cot‌62∘

tan‌152∘−cot‌88∘

equal to ?

[NDA II 2016]

√3
−√3
√2−1
1−√2

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