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January 27, 2015

January 27, 2015

Posted by **Betty** on Saturday, February 2, 2013 at 1:42am.

- trigonometry -
**vii**, Saturday, February 2, 2013 at 2:21amfind the grahp of cos(x-2) first and then switch your x and y value, oh another thing with arc cos you have to limit it from one point to another or else its not a function anymore, so say a regular cos has 2pi for its period dont graph that whole 2pi for the arccos graph one pi only i dont know if im makign sense or not

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