Question

1 +cosA/sinA =sinA/1-cosA

Answer 1

Answer:

1 +cosA/sinA =sinA/1-cosA

LHS = 1+ cosA / sinA x 1-cosA/1-cosA

=1-cos²A/(sinA x( 1-cosA))

= sin²A/(sinA x( 1-cosA))

= sinA/1-cosA

LHS =RHS

hence proved

hope this will help you