Trigonometry Flashcards
1
Q
What degrees are on the 1st SIN COS TAN triangle?
A
60, 30
2
Q
What degrees are on the 2nd SIN COS TAN triangle?
A
45, 45
3
Q
What is the Hypotenuse on the 30/60 triangle?
A
2
4
Q
What is the bottom of the 30/60 triangle?
A
1
5
Q
What is the right side of the 30/60 triangle?
A
√3
6
Q
What is the Hypotenuse of the 45/45 triangle?
A
√2
7
Q
What is the bottom of the 45/45 triangle?
A
1
8
Q
What is the right side of the 45/45 triangle?
A
1
9
Q
Define Hypotenuse
A
Longest side of the triangle, opposite the right angle
10
Q
Define Opposite
A
Opposite side of the the the angle
11
Q
Define Adjacent
A
Next to the angle
12
Q
How do you work out the size of angles with SIN/COS/TAN?
A
- Label Hypotenuse, Opposite, Adjacent
- Find SOH CAH TOA with what you’ve got (e.g if u have Adjacent and Hypotenuse, it would be COS/CAH)
- Input COS/SIN/TAN-1(num1/num2) in calculator (e.g Cos-1(5/2))
