February 19, 2017

Homework Help: trigonometry

Posted by alex on Monday, January 10, 2011 at 12:34am.

Using exact values,find the value of:


sin 2A + tan 3A/2 - cos A + sec(A+15), when A= 30degrees

There were no parentheses and no exponents. please help by showing the work in details. Thank you!
I pluged in the numbers and got this
I don't know if its right or wrong..
2*1/2 + (3*sqrt3/3)/2 -sqrt3/2 + (2sqrt3+15)

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