Math, asked by Kinshus, 1 year ago

Tan20 cot70-sec20 cosec70

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Answered by rudrapratap65

$\tan(90 - 70) \times \cot(70 -) - \sec(90 - 20) \times \csc(70) \\ \\ \ \cot(70 ) \times \cot(70) - \ \ \csc(70) \times \csc(70) \\ \\ 2 \cot(70) - 2 \csc(70)$

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