5cos(2x)=2.5

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Solution for 5cos(2x)=2.5 equation: 


Simplifying
5cos(2x) = 2.5

Remove parenthesis around (2x)
5cos * 2x = 2.5

Reorder the terms for easier multiplication:
5 * 2cos * x = 2.5

Multiply 5 * 2
10cos * x = 2.5

Multiply cos * x
10cosx = 2.5

Solving
10cosx = 2.5

Solving for variable 'c'.

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

Divide each side by '10osx'.
c = 0.25o-1s-1x-1

Simplifying
c = 0.25o-1s-1x-1

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