warm up! find the lengths of the missing sides.. and before we get to the learnin’, any questions...
TRANSCRIPT
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Warm up!Find the lengths of the missing
sides.
6
60
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And before we get to the learnin’, any
questions from the homework?
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The Wørd
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Section 4.1Radian and Degree
Measures
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I can’t wait for
tomorrow…Angles in Standard Position
y
x
Initial Edge
Terminal Edge
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Not only because I get better looking every
day…Coterminal angles have the same terminal edge. y
x58
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…but because it’s game day!
y
x
Drawr the given angle in standard position. Find a
positive and negative coterminal angle.150
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The other days of the
week…
y
x
Drawr the given angle in standard position. Find a
positive and negative coterminal angle.45
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…are so blah.
y
x
Drawr the given angle in standard position. Find a
positive and negative coterminal angle.230
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It’s not like game day…
Reference Angles
y
x
210
A reference angle is the ACUTE angle
formed by the terminal edge and X-AXIS. '
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…where there’s a feeling of
awesomeness.Find the reference angle for the given angle in standard position.y
x
162
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The other days of the week…
Find the reference angle for the given angle in standard position.y
x
100
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…are like day old pizza…Find the reference angle for the
given angle in standard position.
y
x
485
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…or warm, flat soda…
RadiansCircumference
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…scuzzy teeth…
Convert the given angle from radians to degrees or vice verse.
195
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…a bad haircut…Convert the given angle from
radians to degrees or vice verse.
270
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Convert the given angle from radians to degrees or vice verse.
35
…that feeling just before you throw
up…
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Convert the given angle from radians to degrees or vice verse.
12
…when you realize someone’s not waving at
you…
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Convert the given angle from radians to degrees or vice verse.
3
5
…cleaning your house and finding a bowl of
dried milk…
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Convert the given angle from radians to degrees or vice verse.
11
6
…or an awkward
family reunion.
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y
x
Drawr the given angle in standard position. Find a
positive and negative coterminal angle.
3
I’d liken game days
to…
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…getting your first
job…Angles in Standard Position (for radians)
y
x
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y
x
Drawr the given angle in standard position. Find a
positive and negative coterminal angle.5
6
…finding
money…
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y
x
Drawr the given angle in standard position. Find a
positive and negative coterminal angle.14
3
…fresh-baked chocolate chip
cookies…
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Find the reference angle for the given angle in standard position.y
x
5
4
…Christmas morning…
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Find the reference angle for the given angle in standard position.y
x
3
…getting your first
car…
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…can you tell I don’t like the other 6 days of the
week?Find the reference angle for the given angle in standard position.y
x
7
6
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Mr. Wu is teasing the lions at the zoo. From the railing above the
pen, Mr. Wu shoots his laser pointer at an angle of depression of 40˚ to hit the alpha male. He
then points his laser at an angle of depression 32˚ to hit his cub that’s 10 ft farther away. How high up is
Mr. Wu?
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4.1 from the HW packet!And your homework!