Math, asked by sunitajojode96, 3 months ago

secA+tanA=1/secA-tanA


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Answered by punit599119
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Answered by sandy1816
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secA + tanA \\  \\  =  \frac{secA + tanA}{ {sec}^{2} A -  {tan}^{2} A}  \\  \\  =  \frac{secA + tanA}{(secA - tanA)(secA + tanA)}  \\  \\  =  \frac{1}{secA - tanA}

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