Mathematics, 28.07.2019 08:00, Tnaaasty5901

Ikind of know how to do these problems, but im stuck on this one right now. prove the formula below $csc^{4}x - cot^{4}x = csc^{2}x + cot^{2}x$

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Ikind of know how to do these problems, but im stuck on this one right now. prove the formula below[...