$\frac{(secA - 1)}{(secA + 1)}$ is equal to?

$\frac{(secA - 1)}{(secA + 1)}$ is equal to?
1). $\frac{(1 - sinA)}{(1 + sinA)}$
2). $\frac{(1 + cosA)}{(1 - cosA)}$
3). $\frac{(1 + sinA)}{(1 - sinA)}$
4). $\frac{(1 - cosA)}{(1 + cosA)}$

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