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October 20, 2014

Homework Help: trigonometry

Posted by anon on Thursday, January 13, 2011 at 11:33pm.

can you explain to me in details please of how these type of questions can be answered without using a calculator to find the direct answer.

Find the following functions correct to five decimal places:

a. sin 22degrees 43'
b. cos 44degrees 56'
C. sin 79degrees 23'30'

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