1.

If $\frac{(1 + cosA)}{(1 - cosA)}$ = x, then x is1).$\frac{cot^{2}A}{(secA - 1)^{2}}$2).$\frac{cot^{2}A}{(secA + 1)^{2}}$3).$\frac{tan^{2}A}{(secA + 1)^{2}}$4).$\frac{tan^{2}A}{(secA - 1)^{2}}$

Answer»

option 4 :$\FRAC{TAN^{2}A}{(secA - 1)^{2}}$ is correct



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