You can put this solution on YOUR website! tan^2(csc^2-1)
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If you mean tan^2(csc^2(-1))
= tan^2(1/sin^2(-1))
If it's 1 radian:
sin(1) =~ 0.84147
---> 0.73305
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I doubt that's what you meant to ask, but I don't know what you might have meant.
