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posted by chinnu Tuesday, July 19, 2011 at 2:10pm.
if theta = 45, the value of cosec ^ 2 theta is ?
cosec(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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