Math, asked by subediu323, 1 month ago

secA+tanA+1/1+secA-tanA=1+sinA/cosA​

Answers

Answered by sandy1816
0

 \frac{secA + tanA + 1}{1 + secA  - tanA}  \\  \\  =  \frac{(secA + tanA) - ( {sec}^{2} A -  {tan}^{2}a) }{1 + secA - tanA}  \\  \\  =  \frac{(secA + tana)(1 + secA - tanA)}{1 + secA - tanA}  \\  \\  = secA + tanA \\  =  \frac{1 + sinA}{cosA}

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