## En one year ago PLEASE HELP! WILL MEDAL AND FAN! If y = tan(x+π), find x as a function of y.

1. anonymous

just use inverse rules?

2. anonymous

arctan(y)=x+k*pi x=-k*pi +arctan(y) but -pi and +pi are pretty much the same so we usually take the positive value x=k*pi + arctan(y)

3. anonymous

i think thats all to it. perhaps look for asymptotes?

4. En

My book says that the answer is x= pi + Arctan y. can u explain the inverse rules?

5. anonymous

pretty much the rule with inverse trig is that $\sin (\arcsin x) = x ; \tan(arctanx)=x; \cos(\arccos(x)=x$