Sullivan Algebra and Trigonometry: Section 6.7 Graphs of Tangent, Cotangent, Cosecant, and Secant Functions

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Sullivan Algebra and Trigonometry Section
6.7Graphs of Tangent, Cotangent, Cosecant, and
Secant Functions

• Objectives of this Section
• Graph Transformations of the Tangent and
  Cotangent Functions
• Graph Transformations of the Cosecant and Secant
  Functions

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The Graph of y tan x
y
x
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(0, 0)
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Characteristics of the Tangent Function
2. The range consists of all real numbers.
3. The tangent function is an odd function
(symmetric with respect to the origin).
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Characteristics of the Tangent Function
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The graphs of the other three trig functions can
be obtained from the graphs of their respective
reciprocal functions.
For example
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