Question

prove this question ​

Answer 1

Answer:

Step-by-step explanation:

1 + Tanθ / 1 - Tanθ

= 1 + 1/Cotθ/ 1 - 1/Cotθ

= Cotθ + 1 /Cotθ/ Cotθ - 1/Cotθ

= Cotθ + 1/Cotθ - 1

= R.H.S

Hence proved.