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October 20, 2014

October 20, 2014

Posted by **Anonymous** on Thursday, February 3, 2011 at 5:54pm.

= ?

- math -
**Anonymous**, Thursday, February 3, 2011 at 6:00pmthis is the question and above was what i came up with can you help me with the negative and the positive signs.

a. sin 30degrees cos 240degrees + sin 210degrees sin 300degrees

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