Solving with Trigonometry Flashcards
1
Q
What are the two important Trig Identities?
A
Sin^2x + Cos^2x = 1
Sinx/ Cosx = Tanx
2
Q
Which Y value does the Sin graph start at ?
A
0
3
Q
Which Y value does Cos graph start at ?
A
1
4
Q
How do you work out the secondary value for sin?
A
180-P.V = S.V (Sin)
5
Q
What is the interval between the assymptotes on a tan graph? Answer in degrees and Radians.
A
180 degrees or Pi
6
Q
What is the cosine rule?
A
a^2=b^2+c^2-2bc(CosA)
7
Q
What is the SIne Rule ?
A
a/SinA = b/SinB = c/SinC
8
Q
When would you change the range ?
A
When Theta is not alone
9
Q
What do you have to remember when solving with an adapted range ?
A
To decode the final solutions.
10
Q
How do you work out the secondary value for cos?
A
360-P.V= S.V (Cos)
