# Trigonometry Examples

Step 1

Apply pythagorean identity.

Step 2

Step 2.1

Multiply by .

Step 2.2

Cancel the common factors.

Step 2.2.1

Factor out of .

Step 2.2.2

Cancel the common factor.

Step 2.2.3

Rewrite the expression.

Step 3

Convert from to .

Step 1

Apply pythagorean identity.

Step 2

Step 2.1

Multiply by .

Step 2.2

Cancel the common factors.

Step 2.2.1

Factor out of .

Step 2.2.2

Cancel the common factor.

Step 2.2.3

Rewrite the expression.

Step 3

Convert from to .

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