# Solve Graphically (two cos(x) to the power of two minus two cos(x)cos(two x) minus one) divide ( square root of sin(x)) equals zero

Solve Graphically (2cos(x)^2-2cos(x)cos(2x)-1)/( square root of sin(x))=0
Clarify the left side of the equation.
First, multiply by .
Simplify.
Raise to the power of .
Raise to the power of .
Apply the power rule to Add exponents.
Should be rewritten as .
Use the distributive law.
Rewrite as .
Factor out of .
Shift terms.
Factor out of .
Rewrite as .
Move .
First, multiply by .
Rewrite as .
Factor out of .
Factor out of .
Rewrite as .
Move .
Multiply by .
Factor out of .
Clarify the expression.
Rewrite as .
Put the negative in front of the fraction.
Plot both parts of the equation. The solution is the x-value of the point of intersection.
No solution
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