  PRE-ALGEBRA
ALGEBRA 1
GEOMETRY
ALGEBRA 2
TRIGONOMETRY
PRE-CALCULUS
CALCULUS    California Pre-Algebra, 2008 PAGE: 498 SET: Exercises PROBLEM: 27
Please look in your text book for this problem Statement  In , the measure of is and .

To find: b.

1. (Use pythagorean theorem) (Substitue: ) (Square: ) (Subtract to each side) (Subtract: ) (Square root to each side) (Square root: ) 2. (Definition of tangent ratio) (Substitue: ) (Substitue: ) (Multiply to each side) (Cancel common terms) (Multiply: ) . 3. (Definition of sine ratio) (Substitue: ) (Substitue: ) (Multiply to each side) (Cancel common terms) (Multiply: ) . 4. Find .  (Definition of cosine ratio) (Substitue: ) (Substitue: ) (Multiply to each side) (Cancel common terms) (Multiply: ) . The value of b is . TESTIMONIALS
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