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

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.

Trig 1: Right Triangle Trigonometry

Special Right Triangles

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

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

3 Basic Trigonometric Ratios: 3 basic:

3 4 5 30 40 50

θ 3 7 opp adj hyp

1 3

12 15.7 opp hyp

Checkpoints: 1. Fill out chart with exact values.

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

7 th Warm-Up 3/25

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

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