4cos(x)-2sin^2(x)=0

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Solution for 4cos(x)-2sin^2(x)=0 equation: 


Simplifying
4cos(x) + -2sin2(x) = 0

Multiply cos * x
4cosx + -2sin2(x) = 0

Multiply in2s * x
4cosx + -2in2sx = 0

Solving
4cosx + -2in2sx = 0

Solving for variable 'c'.

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

Add '2in2sx' to each side of the equation.
4cosx + -2in2sx + 2in2sx = 0 + 2in2sx

Combine like terms: -2in2sx + 2in2sx = 0
4cosx + 0 = 0 + 2in2sx
4cosx = 0 + 2in2sx
Remove the zero:
4cosx = 2in2sx

Divide each side by '4osx'.
c = 0.5in2o-1

Simplifying
c = 0.5in2o-1

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