2. Trigonometric Functions on Right Triangles
Trigonometric Functions on Right Triangles
Multiple Choice
Multiple ChoiceGiven the right triangle below, use the cosine function to write a trigonometric expression for the missing angle ϕ.
A
ϕ=cos−1(1312)
B
ϕ=cos−1(513)
C
ϕ=cos−1(1213)
D
ϕ=cos−1(135)
149
views
Related Videos
Related Practice
Showing 1 of 26 videos