Simplify (sin(x)^2-1)/(cos(-x))

Math
Simplify with factoring out.
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Reorder and .
Rewrite as .
Factor out of .
Factor out of .
Rewrite as .
Apply pythagorean identity.
Factor out of .
Separate fractions.
Rewrite as a product.
Write as a fraction with denominator .
Simplify.
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Divide by .
Convert from to .
Divide by .
Multiply .
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Raise to the power of .
Raise to the power of .
Use the power rule to combine exponents.
Add and .
Simplify (sin(x)^2-1)/(cos(-x))

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