Question
Fri March 12, 2010 By:

Sir, pl. answer my question

Expert Reply
Fri March 12, 2010

this question has been answered earlier. but just to give you the method:

use the identity\(cosecA-cotA)(cosec A+cotA)=1

then you will get the product according to the question

as 1/9.

then find the answer.

Sun March 26, 2017

solve

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