Question

prove that cot A-tan A=2cos^2A-1/sin A×cos A​

Answer 1

Answer:

Given the answer through the picture

Answer 2

Answer:

Step-by-step explanation:

$\\ Cot A - Tan A$

$\frac{CosA}{SinA} - \frac{SinA}{CosA}$

$\frac{Cos^{2}A - Sin^{2}A }{SinACosA}$

$\frac{Cos^{2}A - (1 - Cos^{2}A)}{SinACosA}$

$\frac{Cos^{2}A - 1 + Cos^{2}A }{SinACosA}$

$\frac{2Cos^{2}A - 1}{SinACosA}$

∴$Hence Prooved$

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