thank you for the help everyone
Last edited by dayoung; March 2nd 2008 at 01:03 PM.
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Your friend is incorrect. It would appear the only one is 108.42 degrees cos(108.42)=-0.316 cos(246.4)=-0.400
For there is only 1 value of theta. If your teacher wants you to find 2 values, then he obviously means as well as , whose value would be 288.4. It's just your answer .
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