tan(2x)-2cos(x)=0

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Solution for tan(2x)-2cos(x)=0 equation:


Simplifying
tan(2x) + -2cos(x) = 0

Remove parenthesis around (2x)
ant * 2x + -2cos(x) = 0

Reorder the terms for easier multiplication:
2ant * x + -2cos(x) = 0

Multiply ant * x
2antx + -2cos(x) = 0

Multiply cos * x
2antx + -2cosx = 0

Solving
2antx + -2cosx = 0

Solving for variable 'a'.

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

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

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

Divide each side by '2ntx'.
a = cn-1ost-1

Simplifying
a = cn-1ost-1

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