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.

Home Work Help