Graphs of Trigonometric Functions

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Chapter 8

• Graphs of Trigonometric Functions

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Using Quadrants to measure angles
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The SIN graph learn its properties
y sinx
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The COS graph learn its properties
y cosx
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The TAN graph learn its properties
y tanx
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Which quadrants are positive for Sin x, Cos x
and Tan x?
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Express as trig ratios of acute angles

• Sin (-100)
• Cos 330
• Tan 500

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Express as trig ratios of acute angles
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Special angles 60, 30, 45Finding exact trig
ratios involving these values
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Learn these trig ratios
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Exact values of trig ratios using your knowledge

• Ex 8D Q1 a e. Homework
• Express the following as trig ratios of either
  30, 45 or 60,
• and hence find their exact values.
• Sin 135
• Sin (-60)
• Sin 330
• Sin 420

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Transformations of trig graphs

• Remember the transformation rules from C1!!

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Examples have a go at these
Now do Ex 8G Q5
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Ex 8G Q5