Trigonometry Flashcards
1
Q
When do you use trigonometry?
A
When a right-angle triangle is given.
2
Q
Criteria to use trigonometry?
A
- Reference angle is given
2. Two lengths (not hypotenuse) is given
3
Q
Basic formula for trigonometry?
A
TOA
CAH
SOH
4
Q
What do you use on the calculator to find length?
A
tan(
cos(
sin(
5
Q
What do you use on the calculator to find the [reference] angle?
A
tan-1 (
cos-1 (
sin-1 (
