acute angles and triangles

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Posted by mctulip10 on September 11, 1999 at 20:03:21:

How do you solve these problems? Sec30-sin60+cos210
and cot41(degrees)20'. And what do you do when a problem asks
"find a related angle for -579.1" thank you for your help.

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Comments: : How do you solve these problems? Sec30-sin60+cos210 : and cot41(degrees)20'. And what do you do when a problem asks : "find a related angle for -579.1" thank you for your help.

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