Question

(1+sinx)(1-sinx)/(1+cosx)(1-cosx)​

Answer 1

Step-by-step explanation:

by multiplying by get urs answer perfectly

(1(1-sinx)+sinx(1-sinx) /1(1-cosx)+cosx(1-cosx)

1-sinx+sinx-sin²x/1-cosx+cosx-cos²x

1-sin²/1-cos²

cos²/sin²=cot²