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February 28, 2015

February 28, 2015

Posted by **Anonymous** on Thursday, October 1, 2009 at 3:17pm.

a) x=0

b) x=pi/2

c) x=0, x=pi

d) x=pi/2, 3pi/2

- Math -
**MathMate**, Thursday, October 1, 2009 at 6:51pmSee 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

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