1. Section 4.2: Trigonometric Functions of Acute Angles
Do Now
Convert  to DMS
Convert 71 22’ 37” to decimal degrees.
Convert 3.7 into decimal degrees and DMS.
How fast is a car’s wheel rotating per minute when it is traveling 25 mph, if the radius on the wheel is 16 in.?

2. SOHCAHTOA: What does it mean?
Reciprocal Trig. Functions

3. What are your Special Right Triangles?

4. What are the six trig ratios for the triangle below?9 ѳ 7

5. Given tan Ѳ = 5, find the other trig functions.

6. Find the exact values of sin , cos , and tan .

7. Find the values of the following trig functions, rounding to the nearest hundredth.

8. Find the exact value for Ѳ.

9. Find the missing angles and sides.