Download - 5.5 law of sines amb.ppt worked
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Homework Questions
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LOGS Warm-up• Convert from log form to exponential form
• Convert from exponential form to log form
• Expand
• Condense
9 81y 2 7a
3log 2x 3log 1a
2log xyz
2
4
3log abc
2log 3log 4log 8logx y z a
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LOGS Warm-up
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Law of SinesLaw of SinesSection 5.5Section 5.5
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Law of Sines• Given 2 angles and 1 side
Cc
Bb
Aa
sinsinsin
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Solve the triangle:• A = 33°, B = 105°, b = 37.9
A = a =
B = b =
C = c =
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Solve the triangle:• A = 36°, B = 48°, a = 8
A = a =
B = b =
C = c =
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Solve the triangle:• A = 40°, B = 30°, b = 10
A = a =
B = b =
C = c =
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Ambiguous Case:• There is more than 1 solution to the triangle• Given 2 sides, 1 angle → check!
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Solve the triangle:• A = 30°, a = 8, b = 10
A = a =
B = b =
C = c =
A = a =
B = b =
C = c =
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Solve the triangle:• A = 112°, a = 4, b = 3
A = a =
B = b =
C = c =
A = a =
B = b =
C = c =
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Solve the triangle:• A = 51°, a = 40, c = 50
A = a =
B = b =
C = c =
A = a =
B = b =
C = c =
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Solve the triangle:• C = 36°, a = 17, c = 16
A = a =
B = b =
C = c =
A = a =
B = b =
C = c =
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Homework• Worksheet• P. 484 (7-19)• (1-6 for stickers)