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Warm-Up 3/24-25 What are three basic trigonometric functions and the their ratios? Sine: sin Cosine: cos Tangent: tan

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Rigor: You will learn how to solve right triangles, and find the three basic trigonometric ratios. Relevance: You will be able to solve real world problems using trigonometric ratios.

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Trig 1: Right Triangle Trigonometry

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Special Right Triangles

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60 30 x 45 x x Example 1: Solve the triangles. a. b. s

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Trigonometric Ratios: ratios of sides of a right triangle. opposite adjacent hypotenuse opp adj hyp

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3 Basic Trigonometric Ratios: 3 basic:

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3 4 5 30 40 50

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θ 3 7 opp adj hyp

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1 3

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x 7 adj hyp Make sure your calculator is in degrees.

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12 15.7 opp hyp

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Checkpoints: 1. Fill out chart with exact values.

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Assignment: Special Right Triangles & Trig Worksheet, 1-22 all

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7 th Warm-Up 3/25

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Assignment: Special Right Triangles & Trig Worksheet, 1-22 all

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