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Pre-Calculus Midterm Review: Chapters 7 and 9 Overview

Prepare for your Pre-Calculus midterm with a comprehensive review of Chapters 7 and 9. Chapter 7 covers essential concepts such as circles, angle terminology, conversion between degrees and radians, arc length, the area of a sector, and basic trigonometric functions. It also highlights key aspects of the coordinate system. This review will help reinforce your understanding and improve your confidence in tackling related problems. Don’t miss out on these crucial topics for your upcoming exam!

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Pre-Calculus Midterm Review: Chapters 7 and 9 Overview

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  1. Chapter 7 and 9 Midterm Review

    THE BEST CLASS EVER…ERRR…. PRE-CALCULUS
  2. Chapter 7Previous Lesson Materials
  3. What was Chapter 7about? Circles Angle terminology Converting degrees and radians Arc length Area of sector Basic Trigonometric Functions On the coordinate system On the unit circle Reciprocal Trigonometric Functions Exact value of the Unit Circle Inverse Trigonometric Functions Evaluating for angles Evaluating for exact value
  4. General Formulas For Circles
  5. Signs of Trig. Functions on Unit Circle All Sine Tangent Cosine Where are the trig. functions positive?
  6. Right Triangle Trig. Functions
  7. Inverse Trig. Notation NOTE: Because -1 is NOT an exponent; it is the notation for inverse
  8. What was Chapter 9 about? Right Triangles Solve right triangles using trigonometry Solving right triangle word problems Area of Triangles Solve for area given sides and angles of a triangle Solve for angles given area Non-Right Triangles Solve non right triangles using law of sines or cosines Determine number of triangles using law of sines Navigation and Surveying Create accurate diagrams from a description Solve for area, side length or angles using laws of sines or cosines
  9. Angle of Elevation & Depression
  10. The area A of a triangle equals one-half the product of two of its sides times the sine of its included angle. A = ½ a•b•sin(C) A = ½ a•c•sin(B) A = ½ b•c•sin(A)
  11. C b a A B c The Law of Sines The Law of Cosines
  12. The Law of Sines The Ambiguous Case http://www.youtube.com/watch?v=ETqe-_plC3Y
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