Posted by nadia on Saturday, November 10, 2012 at 5:43pm.
write and that is equivalent to each of the following expression,using the related acute angle
a) sin 13pi/6 b) cos 11pi/8
c) tan 7pi/4

Advance fuctions  Reiny, Saturday, November 10, 2012 at 6:42pm
done, see later post
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