UPSC NDA I 2014 Mathematics Paper

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Question : 50 of 120

Marks: +1, -0

What is ‌

cot‌224∘−cot‌134∘

cot‌226∘+cot‌316∘

equal to ?

[NDA I 2014]

–cosec 88°
–cosec 2°
–cosec 44°
–cosec 46°

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