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Posted by on Monday, February 2, 2009 at 1:11pm.

is this right...

a) give reference angle

-200=20 degrees reference angle??

  • trig - , Monday, February 2, 2009 at 1:34pm

    Yes, that's right. It is 20 degrees above the 180 (or -180) degree line, in the second quandrant

  • trig - , Monday, February 2, 2009 at 1:42pm

    thanks so mcuh

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