# Trigonometry Examples

, , ,

Solve for in the first equation.

Replace the variable with in the expression.

Replace the variable with in the expression.

Replace the variable with in the expression.

Remove parentheses.

Multiply by to get .

Multiply by to get .

Add and to get .

Add and to get .

Remove parentheses.

Remove parentheses.

Remove parentheses.

Add and to get .

Add and to get .

The result can be shown in both exact and decimal forms.

Exact Form:

Decimal Form:

Mixed Number Form: