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Published byHeather Harrington Modified over 9 years ago
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Sine, Cosine, Tangent
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8.7 Sine, Cosine, And Tangent Essential Question: How do you find the side lengths of a triangle that is not special?
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opposite adjacent Study of ∆s and relationships between their angles and sides Angles are labeled with uppercase (ex. A) sides are lowercase (ex. a) An angle and its opposite side use the same letter (ex. A and a)
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13 12 13 5 5
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10√2 15 10 √ 2 15 5 5
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12 6√3
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5min
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8.8 Trig Ratios with a Calculator Essential Question: How do you find side lengths of a triangle that is not special?
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To find a: To find b:
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To find c: To find d:
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Plicker Exit Slip What is sin(A)? A) B) C) D) What is tan(25)? Round to the hundredths. A) 0.42 B) 0.46 C) 0.47 D) 0.91 √17 2√2 5
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Homework 8.7 ALL 8.8 ALL
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