Unit 7- Trigonometric Functions
Lesson 1 HW
1a. x=204/115=1.774 b. x=65/13=5 c. x=81/4=20.25 d. x= -21/6= -1.313
2a. b=12 b. Not Possible, Not a 90°angle c. c=√149 d. b=8
3a. sinΘ=4/5 cosΘ=3/5 tanΘ=4/3
b. sinΘ=-12/13 cosΘ=5/13 tanΘ=-12/5
c. sinΘ=7/√65 cosΘ=4/√65 tanΘ=7/4
4a. x=240.344m b. h=467m
5a. <B=62° a=4.25ft c=9.06ft
b. <P=22.62° <R=67.38° p=10m
c. <E=36.87° <D=53.13° f=20 yards
6a. Θ≈53.13° b. Θ≈292.62° c. Θ≈60326°
8. The tree is 32.759 feet
9a.3 b. 17 c. 74 d. -37 e. 5
1a. x=204/115=1.774 b. x=65/13=5 c. x=81/4=20.25 d. x= -21/6= -1.313
2a. b=12 b. Not Possible, Not a 90°angle c. c=√149 d. b=8
3a. sinΘ=4/5 cosΘ=3/5 tanΘ=4/3
b. sinΘ=-12/13 cosΘ=5/13 tanΘ=-12/5
c. sinΘ=7/√65 cosΘ=4/√65 tanΘ=7/4
4a. x=240.344m b. h=467m
5a. <B=62° a=4.25ft c=9.06ft
b. <P=22.62° <R=67.38° p=10m
c. <E=36.87° <D=53.13° f=20 yards
6a. Θ≈53.13° b. Θ≈292.62° c. Θ≈60326°
8. The tree is 32.759 feet
9a.3 b. 17 c. 74 d. -37 e. 5
