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.