### Chapter 8 (Trigonometric Functions)

Week of: 2/11-2/14

 1 Intro to y=sinx Discuss the graph of y=sinx its domain, range, and evaluate and compose. HW 8.1 2 Investigating the Graph of  y=sinx Understand what changing the period, amplitude, frequency, and vertical shift of a trigonometric function does to its graph and equation. HW 8.2 3 Investigating the Graph of y=sinx Understand what a phase shift on a trigonometric function does to its graph and equation. Video Notes F   Spiral Review #19 (due 2/28)

Week of: 2/24 – 2/28

 4 Solving Trig Equations with Sine Solve linear and quadratic trig equations; including ones where substitution is necessary. Video Notes G 5 Solving Trig Equations with Sine Solve linear and quadratic trig equations; including ones where substitution is necessary. HW 8.5 6 Sinusoidal Regression   Review HW 8.6 7 Quiz 8A (SINE) HW 8.7   Spiral Review #20 (due 3/7)

Week of: 3/3-3/7

 8 Intro to y=cosx Discuss the graph of y=cosx its domain, range, and evaluate and compose. HW 8.8 9 Investigating the Graph of y=cosx Understand what changing the period, amplitude, frequency, vertical shift, or phase shift of a trigonometric function does to its graph and equation. HW 8.9 10 Modeling Scenarios with Trig Functions Use Trigonometric Functions to model real life scenarios HW 8.10 11 Solving Trig Equations with Cosine Solve linear and quadratic trig equations; including ones where substitution is necessary. Spiral Review #21 (due 3/13)… Thursday!

Week of: 3/10-3/13

 12 Solving Trig Equations with Cosine Solve linear and quadratic trig equations; including ones where substitution is necessary. HW 8.12 13 Review HW 8.13 14 Quiz 9B (COSINE) HW 8.14   Spiral Review #22 (due 3/21)

Week of: 3/17 - 3/21

 15 Intro to y=tanx and other weird graphs Discuss the graph of y=tanx its domain, range, and evaluate and compose. HW 8.15 16 Sum and Difference Formulas, Double and Half Angle Formulas Use sum and difference, half and double angle formulas to find exact values. HW 8.16 17 Solve Equations with Tangent Solve linear and quadratic trig equations; including ones where substitution is necessary. HW 8.17 18 Quiz 9C (TANGENT) HW 8.18    Spiral Review #23 (due 3/28)

Week of: 3/24-3/28

 19 Trig Identities Prove trigonometric identities HW 8.19 20 Trig Identities Prove trigonometric identities HW 8.20 21 Area of Triangles and Parallelograms Determine the area of a triangle using K=0.5absinC and also Heron’s formula HW 8.21 22 Law of Sines   How Many Triangles Use the law of sines to find missing pieces of triangles and determine how many triangles are possible given certain pieces. HW 8.22   Spiral Review #24 (due 4/4)

Week of: 3/31-4/4

 23 Law of Cosines Use the law of cosines to find missing pieces of triangles HW 8.23 24 Law of Sines and Law of Cosines Practice Distinguish between times where law of sines versus law of cosines is necessary. HW 8.24 25 Forces Use trig to determine the resultant force between two vectors. HW 8.25 26 Quiz 9D (Applications and Identities) HW 8.26   Spiral Review #25 (due 4/11)

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