Posted by **latoya** on Friday, November 3, 2006 at 10:28pm.

the inverse cosine of negative 0.947

Put it in your calculator...

The sequence of keys in my old ten dollar calculator is

.947 +- 2nd COS

Other calculators have different keys strokes.

If you want to be neat, type this into a google search window:

arccos(-.947) in degrees

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