1.

यदि sec A + tan A =x हो तो tan A का मान निम्नलिखित में कौन सा हैA. `x+(1)/(x)`B. `(x-(1)/(x))`C. `1/2(x+(1)/(x))`D. `1/2(x-(1)/(x))`

Answer» Correct Answer - D


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