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

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


Simplifying
tan(2x) + -1cos(x) = 0

Remove parenthesis around (2x)
ant * 2x + -1cos(x) = 0

Reorder the terms for easier multiplication:
2ant * x + -1cos(x) = 0

Multiply ant * x
2antx + -1cos(x) = 0

Multiply cos * x
2antx + -1cosx = 0

Solving
2antx + -1cosx = 0

Solving for variable 'a'.

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

Add 'cosx' to each side of the equation.
2antx + -1cosx + cosx = 0 + cosx

Combine like terms: -1cosx + cosx = 0
2antx + 0 = 0 + cosx
2antx = 0 + cosx
Remove the zero:
2antx = cosx

Divide each side by '2ntx'.
a = 0.5cn-1ost-1

Simplifying
a = 0.5cn-1ost-1

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