applied math 40s may 21, 2008
DESCRIPTION
Degrees and radian conversions and introduction to periodic functions.TRANSCRIPT
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Periodic Functions
Why are there 360° in a circle?What is the most "natural" way to measure
angles?
Circles by flickr user tydan
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How do we convert between radians and degrees?
D is an angle in degreesR is an angle in radians
Find 30° in radians ... Find 20° in radians ...Examples:
θ is called "theta"
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Find 250° in radians ... Find in degrees ...
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Find -18° in radians ... Find in degrees ...
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Find in degrees ...
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What does periodic mean?
Clock photo source
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Jupiter and Io photo source
What does periodic mean?
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Low tide photo source
What does periodic mean?
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Baby heartbeat photo source
What does periodic mean?
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Heartbeat of Trees photo source
What does periodic mean?
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The sine curve (graph) ... HOMEWORK
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HOMEWORK
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HOMEWORK
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HOMEWORK
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HOMEWORK