Pre-Calculus

Review Unit 6 Lessons 1-4

Pre-Calculus Honors Agenda

1.  Do Now: Finding the exact value of a trig function using points on the terminal side of a special right triangle. Pick up today’s classwork.

2.  Go over homework

3.  Quiz Review Lessons 1-4

·  How to find the exact value of all trig ratios, in simplest radical form, given a ratio of one trig function or a point on the terminal side

·  How to find the exact trig value given an angle in radians or degrees

·  How to tell if a trig function is positive or negative in each quadrant

·  Real world applications.

Name: ______

Pre-Calculus Honors

Unit 6 Lesson 1-4 Review Do Now:

Directions: sketch the angle in standard position. Determine the coordinates of a point on the terminal side of the angle. Then find the exact value of the trig function without using a calculator.

Name: ______

Pre-Calculus Honors

Unit 6 Lesson 1-5 Review Do Now:

Directions: sketch the angle in standard position. Determine the coordinates of a point on the terminal side of the angle. Then find the exact value of the trig function without using a calculator.

Pre-calculus H

Book Reference 4.3

Unit 6 Lesson 1-4

1.  Point P= (2, -4) is on the terminal side of the angle.

(a)  Sketch in standard position. Assume is a positive angle.

(b)  Find the exact value of the six trigonometric function of.

In 2-9, sketch the angle in standard position. Then find the exact value of the trig function without using a calculator (graphing or scientific).

2. / 3.
4. / 5.
6. / 7.
8. / 9.

10. Given: and .

(a) Name the quadrant in which lies. Explain your answer.

(b)Find and .

11. Given: and .

(a) Name the quadrant in which lies. Explain your answer.

(b)Find and .

Trig Word Problems (Calculator is allowed)

1.  An observer is 380 feet from a hot air balloon before it lifts off. Determine the angle of elevation, when the balloon reaches a height of 240 feet. State your answer in degrees and round to one decimal place.

2.  From a point on the floor, the angle of elevation to the top of a door is 47°? While the angle of elevation above the door is 59°. If the ceiling is 10 ft above the floor, what is the vertical dimension of the door?

3. 

4.