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How do I find the value of csc 11π/2?

1 Answer

Oct 23, 2015

Find the value of csc((11pi)/2)

Ans: - 1

Explanation:

#csc ((11pi)/2) = 1/(sin ((11pi)/2)#. Find #sin ((11pi)/2)#

#sin ((11pi)/2) = sin ((3pi)/2 + (8pi)/2) = sin ((3pi)/2) = - 1#

Therefor: #csc ((11pi)/2) = 1/(sin) = -1#

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