sec(x)=3

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Solution for sec(x)=3 equation: 


Simplifying
sec(x) = 3

Multiply ces * x
cesx = 3

Solving
cesx = 3

Solving for variable 'c'.

Move all terms containing c to the left, all other terms to the right.

Divide each side by 'esx'.
c = 3e-1s-1x-1

Simplifying
c = 3e-1s-1x-1

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