cos(2.7x)=1

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Solution for cos(2.7x)=1 equation: 


Simplifying
cos(2.7x) = 1

Remove parenthesis around (2.7x)
cos * 2.7x = 1

Reorder the terms for easier multiplication:
2.7cos * x = 1

Multiply cos * x
2.7cosx = 1

Solving
2.7cosx = 1

Solving for variable 'c'.

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

Divide each side by '2.7osx'.
c = 0.3703703704o-1s-1x-1

Simplifying
c = 0.3703703704o-1s-1x-1

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