1. Cos x (sec x + cos x csc^2 x) = csc^2 x(adsbygoogle = window.adsbygoogle || []).push({});

I got as far as this.... 1 + cos^2 + cos/sin^2 = csc^2

2. tan x(sin x + cot x cos x) = sec x

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# Homework Help: I need help proving two Trig identities!

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