UPSC 2013 CDS 1 Math Paper

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Question : 42 of 100

Marks: +1, -0

What is ‌

tan−sin‌A

sin3A

equal to?

‌
sec‌A
1−cos‌A
‌
sec‌A
2+cos2A
‌
sec‌A
1+cos‌A
None of the above

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