Unit 1: Trigonometry

/

Name: ______

MBF 3C - UNIT GUIDE 2014

/
/

Concept/Skill

/ Practice Problems

1.0

/ Activate Prior Knowledge
Introduction to the course
Review prior knowledge essential for this unit / Worksheet
CC-56
a) For the Canadian flag, the ratio of width to length is 1:2. What is the perimeter of a Canadian flag that is 12 ft. long? Are all Canadian flags similar shapes? Explain using a diagram. / b) Solve for each unknown
/ c) A baseball diamond is a square with side length 90 ft. What is the distance between first and third base?

1.1

/

Trigonometry and Trig Ratios

I can use the primary trigonometric ratios to find the measures of side and angles of a right triangle. / Worksheet
CC-58
CC-59
a) In triangle ABC, <C is a right angle, side c is 22m and side b is 17m. Draw a diagram and find the measure of <A to the nearest degree. / b) What does SOC-CAH-TOA stand for?

1.2

/ Trigonometry
I can use the primary trigonometric ratios to find the measures of side and angles of a right triangle. / Get textbooks today!
Page 15 #3, 4, 8
Page 16 #6, 7

2. From an airplane 420 m above the ground, the angle of depression of the end of the runway is 320. How far is the end of the runway along the ground?
Ans: 672.1 m

1.3

/ The Sine Law - I can use the sine law to solve acute triangles. / Practice Quiz
Page 25-26 #3, 5, 6, and 7

1.4

/

Applying the Sine Law – I can solve problems that arise from real-world applications involving metric and imperial measurements and that require the use of the sine law in acute triangles

/ Handout

1.5

/ The Cosine Law – I can use the cosine law to solve acute triangles.
/ Practice Quiz
Page 35-36 #1, 2, 3 and 4

1.6

/ Applying the Cosine Law- I can solve problems that arise from real-world applications involving metric and imperial measurements and that require the use of the cosine law in acute triangle.
/ Handout

1.7

/ Review - I can describe conditions that guide when it is appropriate to use the sine law or the cosine law, and use these laws to calculate sides and angles in acute triangles.
/ Page 29 #1-5
Page 46-47 #1-11
Page 48 #1-6
*Make your own reference sheet for the test (one double sided page)
OR
You can use this outline with completed questions as your reference sheet
/

Unit Test (Full period)