కింది వ్యక్తీకరణ యొక్క విలువ ఏమిటి?
\(\frac{{1\, + \,\sec \,\theta \, + \,\tan \,\theta }}{{1\, + \,\sec \,\theta \, - \, \tan \,\theta }}\)
1
\(\frac{{1\, - \,\tan \frac{\theta }{2}}}{{1\, + \,\tan \frac{\theta }{2}}}\)
2
\(\frac{{1\, - \,\tan \frac{\theta }{2}}}{{\tan \frac{\theta }{2}}}\)
3
\(\frac{{1\, + \,\tan \frac{\theta }{2}}}{{\tan \frac{\theta }{2}}}\)
4
\(\frac{{1\, + \,\tan \frac{\theta }{2}}}{{1\, - \,\tan \frac{\theta }{2}}}\)