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2.6 Graphs of the Tangent and Cotangent Function

# 2.6 Graphs of the Tangent and Cotangent Function - Graphs...

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Unformatted text preview: Graphs of the Tangent and Cotangent Function and Section 2.6 y = tan x tan f( x) = tan( x) 3 2 1 -2 2 -1 -2 -3 4 y = cot x cot y = cot x 3 2 1 -2 2 -1 -2 4 For y = a tan b(x +c) + d ; y = a cot b(x +c) + d a vertically stretches or shrinks the graph. The period is π . b The phase shift is c units to the left if c > 0. The The phase shift is c units to the right if c < 0. The The vertical shift is d units up if d > 0. The The vertical shift is d units down if d < 0. The Asymptotes Asymptotes The tangent function has asymptotes 2n + 1 b( x + c ) = ÷π , if n is an integer . 2 The cotangent function has asymptotes b( x + c) = nπ , if n is an integer . Joke Time Joke What is 7Q + 3Q? You’re welcome! How do hearing impaired people greet How one another? one They sine waves! ...
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