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March 4, 2015

March 4, 2015

Posted by **Isabella** on Wednesday, February 9, 2011 at 5:19pm.

- Trig -
**helper**, Wednesday, February 9, 2011 at 6:14pmCoterminal A = A + k*360

To find a positive coterminal angle

A = -240

Coterminal A = -240 + 360

Coterminal A = 120

To find a negative coterminal angle

A = -240

Coterminal A = -240 - 360

Coterminal A = -600

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