SOLUTION: sec3x = sqrt2 solve for [0,2pi]

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Question 720869: sec3x = sqrt2
solve for [0,2pi]
Answer by lwsshak3(11628) About Me  (Show Source):
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sec3x = sqrt2
solve for [0,2pi]
sec3x = √2=1/cos3x
cos3x=1/√2=√2/2
3x=π/4, 5π/4
x=π/12, 5π/12