Please help! ~Trig question~
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Please help! ~Trig question~

[From: ] [author: ] [Date: 12-05-09] [Hit: ]
......
Find all angles X such that 3cos(4x) = 2 - cos(4x) and is between pi and 3pi/2

Thanks in advance!

-
4 cosA = 2
CosA = .5
A = π / 3
4x = π / 3
x = π / 12
The rest you can do!
1
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