Sir, pl. answer my question

Asked by  | 12th Mar, 2010, 09:47: AM

Expert Answer:

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.

Answered by  | 12th Mar, 2010, 10:11: AM

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