0.19=cos^2(A)

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Solution for 0.19=cos^2(A) equation:


Simplifying
0.19 = cos2(A)

Multiply cos2 * A
0.19 = cos2A

Solving
0.19 = cos2A

Solving for variable 'c'.

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

Add '-1cos2A' to each side of the equation.
0.19 + -1cos2A = cos2A + -1cos2A

Combine like terms: cos2A + -1cos2A = 0
0.19 + -1cos2A = 0

Add '-0.19' to each side of the equation.
0.19 + -0.19 + -1cos2A = 0 + -0.19

Combine like terms: 0.19 + -0.19 = 0.00
0.00 + -1cos2A = 0 + -0.19
-1cos2A = 0 + -0.19

Combine like terms: 0 + -0.19 = -0.19
-1cos2A = -0.19

Divide each side by '-1os2A'.
c = 0.19o-1s-2A-1

Simplifying
c = 0.19o-1s-2A-1

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