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Mathematics 18 Online
OpenStudy (kj4uts):

If cos theta = -2/3, which of the following are possible (attached below)? I think it is A. and D. is that correct? Please explain answer. Thank you!

OpenStudy (kj4uts):

jimthompson5910 (jim_thompson5910):

You are correct. C is very close, but that "tan(theta)" should be negative instead of positive. Choice B is just completely off.

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