frfrfrenchy
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I'm not getting the right answers for sine, cosine and tangent functions. I have no idea why this is.
Not getting the right answers for sine, cosine and tangent with TI-89
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rocomath
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did you check whether you're in radians or degrees?
frfrfrenchy
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How do I do that? I just got this calculator.
rocomath
- 1,752
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click on F2 (window)
look for radians | degrees
and highlight the one you want and click enter
look for radians | degrees
and highlight the one you want and click enter
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