90 likes | 230 Views
9-1 & 9-2 Sine, Cosine, and Tangent Ratios. One Key Term Three Ratios. Trigonometry. Derived from Greek words meaning “triangle measurement”. Vocabulary. Triangle Ratios. SOH CAH TOA. SOH CAH TOA. Trigonometry. B. c. a. C. A. b. #1 Using Trigonometry. R. 41. S. T. 47.
E N D
9-1 & 9-2Sine, Cosine, and Tangent Ratios One Key Term Three Ratios
Trigonometry Derived from Greek words meaning “triangle measurement” Vocabulary
SOH CAH TOA SOH CAH TOA
Trigonometry B c a C A b
#1 Using Trigonometry R 41 S T 47
#2 Using Trigonometry 29 C A a c B
#3 Real-World Connection • A 20-ft wire supporting a flagpole forms a 35o angle with the flagpole. To the nearest foot, how high is the flagpole? 20 x