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August 4, 2015

Homework Help: Maths - trig

Posted by Rose on Sunday, October 3, 2010 at 5:37pm.

Solve 3cos2x - 7cosx = 0, when 0<=x<=360

And also, find the exact values for x when 0<=x<=360 if 3tan^2x=1


Thankyou!

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