Math, asked by atchayaamudhan, 1 year ago

cos A-sin A+1÷cos A+sinA-1=cosec A+cot A

Answers

Answered by kvnmurty
16
\frac{CosA - SinA + 1}{ CosA + SinA - 1} = \frac{(CosA - SinA + 1)(CosA+sinA+1)}{ (Cos A + SinA - 1)(CosA+sinA+1)} \\ \\ = \frac{cos^2A+cos A\ Sin A+Cos A-Sin A\ CosA-Sin^2A-SinA+CosA+SInA+1}{cos^2A+cos A\ Sin A+Cos A+Sin A\ CosA+Sin^2A+SinA-CosA-SInA-1} \\ \\ \frac{cos^2A-Sin^2A+2 cos A +1}{2SinA\ Cos A} \\ \\ \frac{2 cos^2A+2CosA}{2SinA\ Cos A} \\ \\ CotA+CosecA \\ \\

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