Cot(x)sec^4(x)=cot(x)+2tan(x)+tan^3 (x)
prove the trig identity...
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Mathematics, 10.12.2020 22:30 tintinayeir2567
Cot(x)sec^4(x)=cot(x)+2tan(x)+tan^3 (x)
prove the trig identity
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