1. 7.2 Finding a Missing Side of a Triangle using Trigonometry

2. STEP 1: Which angle is given?
Angle B = 48º
STEP 2: Which two sides are given?
Adjacent and Hypotenuse
STEP 3: Which Trig Ratio should you use?
Cosine

3. STEP 1: Which angle is given?
Angle B = 48º
STEP 2: Which two sides are given?
Adjacent and Hypotenuse
STEP 3: Which Trig Ratio should you use?
Cosine

4. STEP 1: Which angle is given?
Angle B = 48º
STEP 2: Which two sides are given?
Adjacent and Hypotenuse
STEP 3: Which Trig Ratio should you use?
Cosine

5. STEP 1: Which angle is given?
Angle B = 48º
STEP 2: Which two sides are given?
Adjacent and Hypotenuse
STEP 3: Which Trig Ratio should you use?
Cosine

6. STEP 1: Which angle is given?
Angle B = 55º
STEP 2: Which two sides are given?
Adjacent and Opposite
STEP 3: Which Trig Ratio should you use?
Tangent

7. STEP 1: Which angle is given?
Angle B = 55º
STEP 2: Which two sides are given?
Adjacent and Opposite
STEP 3: Which Trig Ratio should you use?
Tangent

8. STEP 1: Which angle is given?
Angle B = 55º
STEP 2: Which two sides are given?
Adjacent and Opposite
STEP 3: Which Trig Ratio should you use?
Tangent