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This resource provides a comprehensive guide to understanding various trigonometric functions, including sine, cosine, secant, cosecant, tangent, and cotangent. It covers essential concepts such as amplitude, period, and phase shifts through examples and exercises. Students will learn how to manipulate these functions to analyze their graphs and transformations, enhancing their mathematical competence. Ideal for high school mathematics learners, this material encourages exploration and evaluation of trigonometric concepts meaningfully.
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TRIGONOMETRYGRAPHS Lydia Valensia, S.Pd Guru Matematika SMA Negeri 2 Sekayu Email: lydia.valensia@yahoo.com
HOME INTRODUCTION EXERCISE EVALUATION COMPETENCE MATERIAL Sine and Cosine functions
squeeze squeeze y = sin(2x)
y = sin(2x) Amplitude = 1 Period = π Phase shift = 0
flip stretch squeeze stretch flip squeeze y = -4sin(2x)
y = -4sin(2x) Amplitude = 4 Period = π Phase shift = 0
π/2 y = sin(x + π/2) x + π/2 = 0 x = -π/2
π/2 y = sin(x + π/2) x + π/2 = 0 x = -π/2 Amplitude = 1 Period = 2π Phase shift = -π/2
squeeze squeeze
Amplitude = 1 Period = π Phase shift = 0
stretch squeeze stretch squeeze
stretch stretch π/3
π/3 Amplitude = 2 Period = 2π Phase shift = π/3
stretch squeeze stretch squeeze π/2
UP1 UP1
Amplitude = 3 Period = π Phase shift = π/2 UP1 UP1
HOME INTRODUCTION EXERCISE EVALUATION COMPETENCE MATERIAL secant and cosecant functions
y = csc(x) Amplitude = 1 Period = 2π Phase shift = 0
y = sec(x) y = cos(x)
stretch stretch y = 3sec(x-π) π
y = 3sec(x-π) π Amplitude = 3 Period = 2π Phase shift = π
HOME INTRODUCTION EXERCISE EVALUATION COMPETENCE MATERIAL tangent and cotangent functions
y = tan(x) y = cos(x)
y = tan(x) Amplitude = 1 Period = π Phase shift = 0
y = cot(x) y = sin(x)
y = cot(x) Amplitude = 1 Period = π Phase shift = 0
HOME INTRODUCTION EXERCISE EVALUATION COMPETENCE MATERIAL
Question 1 Amplitude = 3 Period = π Phase shift = 0
stretch stretch y = 3sin(x) • Question 2
y = 3sin(x) Amplitude = 3 Period = 2π Phase shift = 0
y = sec(x) • Question 5 Amplitude = 1 Period = 2π Phase shift = 0
y = sec(x) Amplitude = 1 Period = 2π Phase shift = 0
HOME INTRODUCTION EXERCISE EVALUATION COMPETENCE MATERIAL Evaluation • Question 4 • Question 3 Question 3 and 4 is the evaluation
stretch • Question 3
Amplitude = 1 Period = 4π Phase shift = 0
squeeze squeeze y = tan(2x+π) π/2 y = cos(x) • Question 4
y = tan(2x+π) π/2 Amplitude = 1 Period = π/2 Phase shift = - π/2
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