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The sum 1/(sin4 5^(@)sin4 6^(@))+1/(sin4...

The sum `1/(sin4 5^(@)sin4 6^(@))+1/(sin4 7^(@)sin4 8^(@)) +1/(sin 49^@ sin 50^@)+...+1/(sin 133^@ sin 134^@)` is equal to

A

`sec(1^(@))`

B

`cosec(1^(@))`

C

`cot(1^(@))`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
B
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ARIHANT MATHS-TRIGONOMETRIC FUNCTIONS AND IDENTITIES-Exercise (Questions Asked In Previous 13 Years Exam)
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