Question

tan A+ cot A = sec A*cos A​

Answer 1

Step-by-step explanation:

tan A+ cot A = sec A*cosec A​

LHS => tanA + cotA

= $\frac{sinA}{cosA} + \frac{cosA}{sinA}$

=$\frac{sin^2A + cos^2A}{sinA \times cosA}$

= 1/sinA. cosA = secA . cosecA

Hence proved!!

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