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April 19, 2015

April 19, 2015

Posted by **John** on Thursday, December 4, 2008 at 3:50pm.

find angle if Sin x = 2.3 divided by 8.15. Answer 16.30 degrees. How did they do that???

Tks

- Trig -
**drwls**, Thursday, December 4, 2008 at 5:02pm2.3/8.15 = 0.28221

sin^-1 0.28221 = 16.39 degrees

That means sin 16.39 degrees = 0.28221

You need a trig table of the sine function, or a pocket calculator to get the answer.

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