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Today – Wednesday, February 27, 2013 Return HW #4 and correct Review: Trigonometric Ratios (SOH CAH TOA) Review Practice: In Class-Due Today! Learning Target : Use trigonometric ratios to solve for missing sides of a triangle. Independent Practice

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Review HW #4: 45-45-90 and 30-60-90 Special Triangles

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TRIGONOMETRIC RATIOS: OPPOSITE SIDE: Given an angle of a triangle, the opposite side is the side opposite of that angle. ADJACENT SIDE: Given an angle of a triangle, the adjacent side is next to/beside that angle. HYPOTENUSE: The hypotenuse is the side of the triangle that connect the two legs of the triangle.

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TRIGONOMETRIC RATIOS:

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Review Practice: 45-45-90 and 30-60-90 Special Triangles and Trigonometric Ratios IN CLASS-DUE TODAY!

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TANGENT RATIO: Solving for tangent ratios: substitute known values, solve for unknown variable and evaluate.

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PRACTICE: Find n using the tangent ratio. Round answer to the nearest tenth.

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PRACTICE: Find x using the tangent ratio. Round answer to the nearest tenth.

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SINE RATIO: Solving for tangent ratios: substitute known values, solve for unknown variable and evaluate.

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PRACTICE: Find x using the tangent ratio. Round answer to the nearest tenth.

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PRACTICE: Find x using the sine ratio. Round answer to the nearest tenth.

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COSINE RATIO: Solving for tangent ratios: substitute known values, solve for unknown variable and evaluate.

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PRACTICE: Find x using the cosine ratio. Round answer to the nearest tenth.

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PRACTICE: Find x and y using the tangent ratio. Round answer to the nearest tenth.

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HOMEWORK #5: Pg. 470: 18-20, 24-29, 31, 32 Pg. 477: 10-15, 18-27 If finished, work on other assignments: HW #1: Pg. 436: 3-29 odd HW #2: Pg. 444: 1-6, 8, 10, 12 HW #3: Pg. 461: 3-18 HW #4: 7.4 Special Triangles WS (Kuta)

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Chapter 8-3 Trigonometry. Objectives Students will be able to use the sine, cosine, and tangent ratios to determine side lengths and angle measures.

Chapter 8-3 Trigonometry. Objectives Students will be able to use the sine, cosine, and tangent ratios to determine side lengths and angle measures.

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