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April 20, 2014

April 20, 2014

Posted by **chinnu** on Tuesday, July 19, 2011 at 2:10pm.

- maths trigonometry -
**Anonymous**, Tuesday, July 19, 2011 at 2:51pmcosec(theta)=1/sin(theta)

sin(45°)= sqrt(2)/2= 1/sqrt(2)

cosec(45°)=1/[1/sqrt(2)]

cosec(45°)=sqrt(2)

cosec^2(45°)=[sqrt(2)]^2= 2

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