December 14, 2015
Obj: To learn about Right Triangle Trigonomety
To learn about Special Right Triangles (30o-60o-90o and 45o-45o-90o )
To learn about evaluating trigonometric functions with and without (for
special angles) a calculator
Find the exact value of the following:
π
π
1. sin
2. tan
6
4
3. sec
π
6. cot
4. cos
π
4
5. csc
3
π
3
π
6
December 14, 2015
Obj: To learn about Right Triangle Trigonomety
To learn about Special Right Triangles (30o-60o-90o and 45o-45o-90o )
To learn about evaluating trigonometric functions with and without (for
special angles) a calculator
Find the acute angle θ that satisfies the given equation. Give θ in both degrees and
radians.
√3
√3
1. cos θ = 2
2. cot θ = 3
3. csc θ =
2
4.
sin θ = 1
2
December 14, 2015
Obj: To learn about Right Triangle Trigonomety
To learn about Special Right Triangles (30o-60o-90o and 45o-45o-90o )
Solve for x, y, and B.
B
14
x
25o
C
To learn about evaluating trigonometric functions with and without (for
special angles) a calculator
A
December 14, 2015
Obj: To learn about Right Triangle Trigonomety
To learn about Special Right Triangles (30o-60o-90o and 45o-45o-90o )
To learn about evaluating trigonometric functions with and without (for
special angles) a calculator
HW:
(HR): (4.2)Pg.335: 7, 11, 19-27odd (no calculator),
41-47odd (no calculator), 49-53odd