Question

All I need is help with finding the principal style of the equation y=tan(2x)

Answer 1

What do you mean by 'principal style of equation'?

Answer 2

i mean principal cycle

Answer 3

I haven't learnt this but I think using wolframalpha:
http://www.wolframalpha.com/input/?i=y%3Dtan%282x%29

Answer 4

One cycle is from -pi/4 to pi/4 so I think that might be a clue?

Answer 5

Nevermind found it... the cycle is pi/2.

Answer 6

wait so the principal cycle is (-pi/2,pi/2)

Answer 7

no, the principal cycle is pi/2