# 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

First, multiply by .

Simplify.

Add.

Raise to the power of .

Raise to the power of .

Apply the power rule to Add exponents.

Add and .

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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