# How do you find all solutions of the equation #(1+cosx)/(1-cosx)=0# in the interval [0,2pi)?

##### 1 Answer

Multiply both numerator and denominator by

Solve

However, the function is undefined at

Then, there is one answer:

Check:

Multiply both numerator and denominator by

Solve

However, the function is undefined at

Then, there is one answer:

Check: