10/2/2023
Trigonometric Ratios of Acute Angles
Name: Mark Kasper
Grade: 11, Mathematics (MCR3U)
Lesson 1
Summary:
 Rules/Guidelines
 Lesson
Purpose:
Teacher Notes
Technology Integration
Yes
No
Time
5
define the secant, cosecant, and cotangent ratios for angles in a right triangle in terms of the sides of
the triangle (e.g., sec A = ), and relate these ratios to the cosine, sine, and tangent ratios (e.g., sec A =
)
Prior Knowledge:
Lesson:
Go over power point,
Assignment:
Pg 280 # 1-15
35
25
2