CCSS Honors 9.1 Example 3
- Author:
- Walch Education
Write a two-column proof of the trigonometric identity .
- Create the outline for the two-column proof.
- Rewrite the expression as the sum of two fractions.
- Use the reciprocal identity to simplify the expression .
- Use the ratio identity to rewrite the expression .
- Fill in the columns of the two-column proof.