How to evaluate this expression. $$\sec^2(\tan^{-1} 2)+\csc^2(cot^{-1}(3))$$ I'm stuck on how to process squares, which is on sec and cosec function?.
2026-02-23 04:38:02.1771821482
value of this inverse trigonometric expression.
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Let $x=\tan^{-1}2$. Then $\tan x=2$ and $\tan^2x=4$. If $\tan^2x=4$, what does $\sec^2x$ equal?