chapter 8.1 common core g.srt.8 & g.srt.4 – use…pythagorean theorem to solve right triangles...
TRANSCRIPT
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Chapter 8.1
Common Core G.SRT.8 & G.SRT.4 – Use…Pythagorean Theorem to solve right triangles in applied problems.
Objective – To use the Pythagorean Theorem and its converse.
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Chapter 8.1 NotesPythagorean Thm – a2 + b2 = c2
Pythagorean Triple – have to be natural numbers3, 4, 5 5, 12, 13 7, 24, 25 8, 15, 17
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a2 + b2 = c2 right triangle
a2 + b2 ⟨ c2 obtuse triangle
a2 + b2 ⟩ c2 acute triangle
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Chapter 8.2
Common Core G.SRT.8 – Use…Pythagorean Theorem to solve right triangles in applied problems.
Objective – to use the properties of 45-45-90 and 30-60-90 degree triangles
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Chapter 8.2 Notes
45° - 45 ° - 90 ° Triangles
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30° - 60 ° - 90 ° Triangles
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Chapter 8.3
Common Core G.SRT.8, G.MG.1, & G.SRT.7 – Use trigonometric ratios and the Pythagorean Theorem to solve right triangles in applied problems. Use geometric shape, their measures, and their properties to describe objects.Objective – To use the sine, cosine, and tangent ratios to determine side lengths and angle measures in right triangles.
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Chapter 8.3 Notes
Trigonometric Ratios
SOH-CAH-TOA
Sin ∠ = _______Cos ∠ = _______Tan ∠ = _______
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Trigonometric Ratios
Csc ∠ = _______ = _______ Sin ∠ = Sec ∠ = _______ = _______ Cos ∠ = Cot ∠ = _______ = _______ Tan ∠ =
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Chapter 8.4
Common Core G.SRT.8 – Use trigonometric ratios…to solve right triangles in applied problems.
Objective – To use angles of elevation and depression to solve problems.
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Chapter 8.4 NotesAngle of Elevation
Angle of Depression
These angles are always made from a horizontal line
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Chapter 8.5
Common Core G.SRT.11 & G.SRT.10 – Understand and apply the Law of Sines…to find unknown measurements in right an non-right triangles…
Objective – To apply the Law of Sines.
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Chapter 8.5 Notes
Law of Sine
C b a A c B
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Chapter 8.6
Common Core G.SRT.11 & G.SRT.10 – Understand and apply the Law of Cosine…to find unknown measurements in right an non-right triangles…
Objective – To apply the Law of Cosine.
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Chapter 8.6 Notes
Law of Cosine+ - 2bc Cos A+ - 2ac Cos B+ - 2ab Cos C C b a A c B