how to type cos -1

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how to type cos -1

Guest Aug 20, 2014

+130511

+5

Best Answer

Hit the "2nd" button on the on-site calculator.....you will see the "acos" button....this is the same as cos^-1 ..... (i.e., the cosine inverse)

CPhill Aug 20, 2014

CPhill · Answer 1 · 2014-08-20T02:29:58

Hit the "2nd" button on the on-site calculator.....you will see the "acos" button....this is the same as cos^-1 ..... (i.e., the cosine inverse)