is sec^2(90-theta)=cosec^2 theta
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No.
The reason is
{sec (90°-A)}^2 = (tanA)^2
(secA)^2 - (tanA)^2 = 1.
(cosecA)^2 - (cotA)^1 = 1.
The reason is
{sec (90°-A)}^2 = (tanA)^2
(secA)^2 - (tanA)^2 = 1.
(cosecA)^2 - (cotA)^1 = 1.
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