Mrs. Bisgaard's Class
  • Home
  • Pre-Calculus
    • Semester 1 >
      • Chapter 1- Functions & Mathematical Models
      • Chapter 5- Periodic Functions & Right Triangles
      • Chapter 6- Applications of Trigonometric & Circular Functions
      • Chapter 7- Trigonometric Function Properties & Identities, & Parametric Functions
      • Chapter 8- Properties of Combined Sinusoids
    • Semester 2 >
      • Chapter 9- Triangle Trigonometry
      • Chapter 2- Properties of Elementary Functions
      • Factoring (Mini Unit)
      • Chapter 4- Polynomial & Rational Functions
      • Chapter 15- Sequences & Series Non-linear Functions and Equations
    • Semester Exams

Unit 7- Trigonometric Functions 

Unit 7 Test Review Key
U7 Lesson 1 Review
Lesson 1 Review Key
Lesson 2 Review
Lesson 2 Review Key
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
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  • Home
  • Pre-Calculus
    • Semester 1 >
      • Chapter 1- Functions & Mathematical Models
      • Chapter 5- Periodic Functions & Right Triangles
      • Chapter 6- Applications of Trigonometric & Circular Functions
      • Chapter 7- Trigonometric Function Properties & Identities, & Parametric Functions
      • Chapter 8- Properties of Combined Sinusoids
    • Semester 2 >
      • Chapter 9- Triangle Trigonometry
      • Chapter 2- Properties of Elementary Functions
      • Factoring (Mini Unit)
      • Chapter 4- Polynomial & Rational Functions
      • Chapter 15- Sequences & Series Non-linear Functions and Equations
    • Semester Exams