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April 25, 2015

April 25, 2015

Posted by **kristy** on Tuesday, March 29, 2011 at 9:23pm.

cot 24

sec 32

sin 36

csc 44

- trig -
**Jai**, Tuesday, March 29, 2011 at 11:31pmrecall that cos x = sin (90-x)

90-x = 90-54 = 36

thus cos 54 = sin 36

hope this helps~ :)