- Leon High
- Pre-Calculus AB Honors
Attention!!
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Course Description:This course gives you the background for the mathematical concepts, problems, issues, and techniques that appear in calculus, including trigonometry, functions, complex numbers, vectors, matrices and others.
Pre Calc AB Notes
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12.1-12.2
PreCalc Notes 12.1-12.2 Finding Graphically and Algebraically.pptx 29.73 MB (Last Modified on May 6, 2020)
Important Documents
Upcoming Events
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Wednesday
6:00 PM - 7:00 PM Community Rezoning Forum for John G. Riley Elementary School @ John G. Riley Elementary School
Video Sessions
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12.1 Help Session
#1-5,7,8,10,11
I also went over a few examples for 12.2 to help you out with the rest of your assignment at the end of the video.
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7.4 Inverse Trig
#13,15,16,19,20,25,29,30
**Don't forget about the test this week. There is a note at the end of the video where I talk about the test. Please ask if you have any questions and let me know if you are unable to access Khan Academy!!
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7.2 Angle Addition and Subtraction
I made a mistake when I went over number 28 (16:03-20:17). The formula for tangent should be tan(x+y) = (tanx + tany) / (1 - tanxtany). The right answer should be 2 + sqrt3. My error was in the angles that I chose to use. I used 4pi/3 - 3pi/4 and that equals 7pi/12 not -7pi/12. What I should have used was -pi/3 - pi/4. I apologize for the confusion. Everything else that I went over was correct. The answer key is posted so you can check your answers.
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