9 - Trigonometric Ratios Flashcards
1
Q
Cosine Rule for finding the missing side
A
2
Q
Cosine rule for finding the angle
A
3
Q
How do you know which is the largest angle?
A
4
Q
Sine rule for finding the length of a missing side
A
5
Q
Sine rule for finding a missing angle
A
5
Q
In what situation would you cross multiply?
A
5
Q
How to find two possible values of Sine using formula
A
180o- sin-1(the thing you got from sine rule)
Make sure to calculate the sin-1 value first before you subtract from 180
6
Q
Draw and Describe a Sine graph
A
- Repeats every 360o and crosses the x-axis at -180, 0, 180, 360
- Has a maximum value of 1 and a minimum value of -1
7
Q
Draw and Describe a cosine graph
A
8
Q
Draw and describe a tan graph?
A
