Question

prove that sec A (1-sin A ) ( sec a + tan a ) = 1

Answer 1

Answer:

$\huge{\fbox{\fbox{\red{MARK ME BRAIN LIST}}}}$

sec a(1-Sina)(1-cosa+Sina/cosa)

=>sec a(1-sina)(1-sina/cosa)

=>sec a(1-sin²a)/cos a

=>sec a cos²a/cos a

=>1/cos a ×cos a

=>1

$\huge{\fbox{\fbox{\blue{HENCE PROVED}}}}$

Answer 2

See the photo attached for solution