Rewrite as a product.

Write as a fraction with denominator .

Divide by .

Convert from to .

Simplify (cos(2x))/(cos(x))

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# Simplify (cos(2x))/(cos(x))

Rewrite as a product.

Write as a fraction with denominator .

Divide by .

Convert from to .

Simplify (cos(2x))/(cos(x))