inverse cosine of 1.21

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Guest Jul 28, 2015

+109

+6

Best Answer

I think that your problem is wrong, what is the rest of the problem before you got to the 1.21 point?

Biotomic121 Jul 28, 2015

Biotomic121 · Answer 1 · 2015-07-28T08:12:09

I think that your problem is wrong, what is the rest of the problem before you got to the 1.21 point?

Alan · Answer 2 · 2015-07-29T08:29:49

cosine only takes values between ±1, so there is no angle whose cosine is 1.21

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