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6-3 Trigonometric Graphing
Day 2 Mrs. Cassidy – could we please see the others? Please please please
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The other 4 Get your chart out again! Graph y = tan x Graph y = cot x
Graph y = sec x Graph y = csc x
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How do trends hold here? They will hold pretty much the same way – seeing shifts left, right, up, down and seeing changes in periodicity. Lets look at the following graphs:
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Basic Truths The period of both y = sec x and y = csc x is 2π. (makes sense, right?) The period of y = tan x and y = cot x is π. We really don’t talk about amplitude of these four functions.
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My Method for Tan/Cot/Sec/Csc
Determine 3 New Asymptotes Set Argument = Old Asymptotes and solve for x Find 2 midpoints Plot these 2 points Sketch the functions according to what they looked like before.
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Examples Graph the following completely 1. 2. 3.
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