Exact trig values Flashcards
(18 cards)
1
Q
What is the value of sin(0°)?
A
0
2
Q
What is the value of cos(0°)?
A
1
3
Q
What is the value of tan(0°)?
A
0
4
Q
What is sin(30°)?
A
1/2
5
Q
What is cos(30°)?
A
√3/2
6
Q
What is tan(30°)?
A
1/√3
7
Q
What is sin(45°)?
A
√2/2
8
Q
What is cos(45°)?
A
√2/2
9
Q
What is tan(45°)?
A
1
10
Q
What is sin(60°)?
A
√3/2
11
Q
What is cos(60°)?
A
1/2
12
Q
What is tan(60°)?
A
√3
13
Q
What is sin(90°)?
A
1
14
Q
What is cos(90°)?
A
0
15
Q
What is tan(90°)?
A
Undefined (division by zero)
16
Q
Fill in the blank: The tangent of an angle is given by tan(θ) = _______
A
sin(θ)/cos(θ)
17
Q
True or False: The value of cos(90°) is 1.
A
False
18
Q
What is the significance of the unit circle in trigonometry?
A
It helps visualize and derive the trigonometric values.
