February 25, 2017

Homework Help: Trig

Posted by Don on Tuesday, December 20, 2011 at 8:16pm.

If sin = 2/3 and is a second quadrant angle, determine the exact value of sec^2
could be
a. 5/9
b. root5/3
c. 9/4
d. 9/5

Please help.......

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