SOLUTION: find all solutions between 0 2pi for 7 cos(2x-3)=2

SOLUTION: find all solutions between 0 2pi for 7 cos(2x-3)=2

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Question 664862: find all solutions between 0 2pi for 7 cos(2x-3)=2
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
find all solutions between 0 2pi for
7 cos(2x-3)=2
cos(2x-3)=2/7
using calculator set to radians
2x-3≈1.28 and 5.00 (in quadrants I and IV where cos>0)
2x≈4.28
x≈2.14
or
2x-3≈5.00
2x≈8.00
x≈4.00

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