Question

✓1+sinA/1-sinA prove that secA + TanA

Answer 1

Hope it helps you....

Answer 2

ANSWER--

Taking LHS

=√1-sin A / 1+sin A 

Rationalising

= √(1-sin A) / (1+sin A ) x √(1-sin A) / (1-sin A ) 

= √(1-sin A)2 / (1-sin2 A ) = √(1-sin A)2 / cos2 A 

= (1-sin A) / cos A = (1/cos A - sin A/cos A) 

= sec A - tan A. √1-sin A / 1+sin A

= sec A - tan A. Hence proved