Question

Solve this....if u can!
{(Tan8°)/(1-3tan^2 8°)}+{(3tan24°)/(1-3tan^2 24°)}+{(9tan72°)/(1-3tan^2 72°)}+{(27tan216°)/(1-3tan^2 216°)} =xtan108°+ytan8° .
Find value of x and y.

Answer 1

Hey! you just answered me a question

but i have a doubt in it

please clear it out

how and why 4x-4 come down there,??