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November 28, 2014

November 28, 2014

Posted by **stellar** on Saturday, October 22, 2011 at 12:37am.

2 cos θ − 1 = 0

- precal -
**Steve**, Saturday, October 22, 2011 at 11:35amsolve for cosθ the way you would for any other variable.

2cosθ = 1

cos θ = 1/2

ta da. Of course, now you have to now how to find θ, but that's no problem, right?

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