Math, asked by bhanupratap17042006, 5 months ago

Prove that
1+sec A/ sec A=
sin² A / 1-cos A​

Answers

Answered by shamik23
4

Step-by-step explanation:

LHS = ( 1 + secA )/secA

= ( 1 + 1/cosA ) / ( 1/cosA )

= [ ( CosA + 1 ) / cosA ] / ( 1/ cosA )

= Cos A + 1

= ( 1 + cosA ) ( 1 - cosA ) / ( 1 - cosA )

= ( 1 - cos² A ) / ( 1 - cosA )

= Sin² A / ( 1 - cosA )

= RHS

Similar questions