Trigonometry Ratios in Right Triangles 8-3 Trigonometry Ratios in Right Triangles Objectives: To find trigonometric ratios using right triangles. To solve problems using trigonometric ratios.
Vocabulary Trigonometry Trigonometric Ratio Opposite Side Adjacent Side Sine Cosine Tangent
Algebra Review
Usefulness of trigonometry?
Vocabulary
Vocabulary Sine – The ratio of the length of the opposite side to the length of the hypotenuse. Cosine – The ratio of the length of the adjacent side to the length of the hypotenuse. Tangent – The ratio of the length of the opposite side to the length of the adjacent side in a right triangle.
Trigonometric Ratios
SOHCAHTOA The acronym SOHCAHTOA is your best friend for trigonometry. Write this down. This means you. Seriously!! SOHCAHTOA
Examples
In Class Examples
Homework 8-3 Worksheet