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Mathematics, 05.07.2021 14:00 meadowsoares7

Prove:tan^3x/sin^2x-1/sinx. cosx+cot^3x/cos^2x=tan^3x+cot^3x

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Prove:tan^3x/sin^2x-1/sinx. cosx+cot^3x/cos^2x=tan^3x+cot^3x...
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