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# Trig inverse day 1

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### Trig inverse day 1

1. 1. GT Geom Drill 3/28/14 • Have CW and HW on the corner of your desk with a pen. • Find the missing values
2. 2. GT Geom Drill 3/28/14 • Have CW and HW on the corner of your desk with a pen. You will need a responder • Find the missing values 5)( xxf 5)( xxg x f(x) 1 3 5 -2 x g(x) 1 3 5 -2
3. 3. Drill Cont. • Find the inverse of the following 42)( xxf
4. 4. Objective • STW use knowledge of inverse fucntiosn to find the angle measurements using sine, cosine, and tangent
5. 5. Book Answers 43. 6.10 m 44. 45o 45. sine, cosine 46. 30o 47. 60o 48. 9.7 ft 49. 1.2 ft 50. 14.3 in
6. 6. Assignment Answers
7. 7. How can I find the measure of angle A 14.4 m 27 m 30.6m A B C
8. 8. Inverse sine and cosine: • If sin =opp/hyp and cos =adj/hyp, then the inverse sin and cos, abbreviated sin-1 and cos-1 (also referred to as arcsin and arccos) is used to find the angle, when given the sides