Cos-2sin*cos=0

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Solution for Cos-2sin*cos=0 equation: 


Simplifying
Cos + -2sin * cos = 0

Multiply ins * cos
osC + -2cinos2 = 0

Reorder the terms:
-2cinos2 + osC = 0

Solving
-2cinos2 + osC = 0

Solving for variable 'c'.

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

Add '-1osC' to each side of the equation.
-2cinos2 + osC + -1osC = 0 + -1osC

Combine like terms: osC + -1osC = 0
-2cinos2 + 0 = 0 + -1osC
-2cinos2 = 0 + -1osC
Remove the zero:
-2cinos2 = -1osC

Divide each side by '-2inos2'.
c = 0.5i-1n-1s-1C

Simplifying
c = 0.5i-1n-1s-1C

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