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4.2 Related Acute Angle
Textbook
Functions 11 McGraw Workbook
Chapter
Chapter 4
Section
4.2
Solutions
52 Videos
Q1a
Q1b
Q1c
Q1d
Q2a
Q2b
Q2c
Q2d
Q2e
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Q6d
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Q6g
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Q11
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Q12
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Q14
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Q15a
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Q16a
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Q17
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Q18
Lectures Part I
12 Videos
5.23mins
Introduction to Relative Angles
4.00mins
Examples with Sine
1.12mins
Example of Cos in Quad II
1.07mins
Ex of Tan in Quad II
2.15mins
Trig Ratios at 90 Degrees
0.40mins
Trig Ratios at 270 Degrees
2.17mins
3rd Quadrant Ex
2.07mins
Cos 240
1.59mins
4th Quad Ex
1.21mins
Larger than 360 Degrees
0.58mins
Negative Rotation
2.04mins
Summary CAST
Lectures Part II
6 Videos
4.44mins
Introduction to Co-functional Identity
2.38mins
Understanding cos(270-x) using Relative Acute Angles
1.20mins
Simplifying Sum of Trig Ratios with Relative Acute Angles ex1
1.47mins
Quadrant I Co-Functional Identity summary
2.22mins
Co Functional Identity summary 2
1.00mins
Simplifying Sum of Trig Ratios ex2