Posted by **John** on Friday, March 23, 2012 at 10:38pm.

Evaluate the expression without using a calculator(show work please)?

(sin pi/4 cos pi/6 - sin pi/6 cos pi/4)

the answer is 1/4(2-ã3)

Wednesday

March 22, 2017
Posted by **John** on Friday, March 23, 2012 at 10:38pm.

Evaluate the expression without using a calculator(show work please)?

(sin pi/4 cos pi/6 - sin pi/6 cos pi/4)

the answer is 1/4(2-ã3)

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