169=180-144*cos(x)

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Solution for 169=180-144*cos(x) equation:


Simplifying
169 = 180 + -144cos(x)

Multiply cos * x
169 = 180 + -144cosx

Solving
169 = 180 + -144cosx

Solving for variable 'c'.

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

Add '144cosx' to each side of the equation.
169 + 144cosx = 180 + -144cosx + 144cosx

Combine like terms: -144cosx + 144cosx = 0
169 + 144cosx = 180 + 0
169 + 144cosx = 180

Add '-169' to each side of the equation.
169 + -169 + 144cosx = 180 + -169

Combine like terms: 169 + -169 = 0
0 + 144cosx = 180 + -169
144cosx = 180 + -169

Combine like terms: 180 + -169 = 11
144cosx = 11

Divide each side by '144osx'.
c = 0.07638888889o-1s-1x-1

Simplifying
c = 0.07638888889o-1s-1x-1

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