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Trigonometric Functions
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Main Concept
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There are a total of three primary trigonometric functions and three secondary trigonometric functions.
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Primary Trigonometric Function s
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Secondary Trigonometric Functions
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sine
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cosecant
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cosine
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secant
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tangent
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cotangent
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Summary of the Trigonometric Function Properties
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Name
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Notation
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Ratio
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Period
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Asymptotes
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Sine
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sin(θ)
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2π or 360 degrees
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none
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Cosine
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cos(θ)
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2π or 360 degrees
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none
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Tangent
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tan(θ)
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π or 180 degrees
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 where k is an integer
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Cosecant
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csc(θ)
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2π or 360 degrees
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 where k is an integer
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Secant
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sec(θ)
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2π or 360 degrees
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 where k is an integer
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Cotangent
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cot(θ)
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π or 180 degrees
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 where k is an integer
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Explore the properties of the Trigonometric Functions. Pay attention to the critical points, asymptote, and period of each function.
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