UPSC NDA I 2016 Mathematics Solved Paper

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Question : 90 of 120

Marks: +1, -0

If

A=(cos‌12°−cos‌36°)(sin‌96°+sin‌24°)

and

B=(sin‌60°−sin‌12°)(cos‌48°−cos‌72°)

then what is

A

B

equal to ?

[NDA I 2016]

−1
0
1
2

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