Question

1/1-sin - 1/1+sin=2sec.tan​

Answer 1

Step-by-step explanation:

Im sorry but could you check your question again bcoz u don't find these type of trigonometric equation .

Answer 2

$\frac{1}{1 - \sin a } - \frac{1}{1 + \sin a} \\ \\ = \frac{1(1 + \sin a) - 1(1 - \sin a ) }{(1 + \sin a)(1 - \sin a ) } \\ \\ = \frac{1 + \sin a - 1 + \sin a}{1 - \sin {}^{2} a} \\ \\ = \frac{2 \sin a}{ \cos {}^{2} a } = \frac{2 \sin a }{ \cos a } \times \frac{1}{ \cos a } \\ \\ = 2 \tan a. \sec \: a = rhs \: \\ \\ hence \: proved$