UPSC NDA I 2018 Mathematics Solved Paper

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Question : 37 of 120

Marks: +1, -0

What is ‌‌

sin‌5‌x−sin‌3‌x

cos‌5‌x+cos‌3‌x

equal to?

[NDA I 2018]

sin x
cos x
tan x
cot x

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