cos(0.5x)=0.8

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Solution for cos(0.5x)=0.8 equation: 


Simplifying
cos(0.5x) = 0.8

Remove parenthesis around (0.5x)
cos * 0.5x = 0.8

Reorder the terms for easier multiplication:
0.5cos * x = 0.8

Multiply cos * x
0.5cosx = 0.8

Solving
0.5cosx = 0.8

Solving for variable 'c'.

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

Divide each side by '0.5osx'.
c = 1.6o-1s-1x-1

Simplifying
c = 1.6o-1s-1x-1

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