Posted by Anonymous on Thursday, October 1, 2009 at 3:17pm.
See if you can figure out what the values of tan(x) are at x=0,π/2, π and 3*pi;/2 to get an idea.
Even better, look up the graph of tan(x), noting that tan(-x)=-tan(x) (odd function) and tan(x) = tan(x+π).
See for example:
http://images.google.ca/imgres?imgurl=http://www.analyzemath.com/trigonometry/graph_tangent.gif&imgrefurl=http://www.analyzemath.com/trigonometry/properties.html&usg=__15mZqtEGVbBJpy38TrM4b8suxSM=&h=297&w=338&sz=5&hl=en&start=2&tbnid=0RO3fUwazvjljM:&tbnh=105&tbnw=119&prev=/images%3Fq%3Dtangent%2Bfunction%26gbv%3D2%26hl%3Den%26sa%3DG
Related Questions
Trigonometry - Find the exact value of tan(a-b) sin a = 4/5, -3pi/2<a&...
Math - help with these questions~ Thank you 1. Determine the interval(s) on ...
Precalculus - 1. Determine the interval(s) on which x^2 + 2x -3>0 a)x&...
calculus - Given the function f (x) = 3cos x for the interval 0 < x &...
Precalculus - Help with these questions help with these questions~ Thank you 1. ...
MATH - Determine all the absolute extreme values for the function f(x, y) = sin ...
Trig - Solve the equation on the interval 0 less than or equal 0 < 2pi. 1...
Math (calc) - Given the function: f(x)=x^3(x-2)^2 , on the interval [-1,3] find ...
Math - Solve the equation for x in the interval 0<x<2pi 1/ 1+tan^...
calculus - Determine all the absolute extreme values for the function f(x,y) = ...
For Further Reading