Ch 16: Trigonometry Flashcards
1
Q
Both the sin and cos of 45° equal…
A
….about 0.7.
2
Q
The tan of 45° equals…
A
1
3
Q
sin 30°
A
½ = 0.5
4
Q
sin 60°
A
0.85 or…
5
Q
sin 90°
A
1
6
Q
cos 30°
A
~0.85 or…
7
Q
cos 60°
A
½ = 0.5
8
Q
cos 90°
A
0
9
Q
tan 30°
A
~0.6
10
Q
tan 60°
A
~1.7
11
Q
tan 90°
A
not defined
12
Q
√3
A
~1.7
(1.732…..)
13
Q
√2
A
~ 1.4
(1.414….)
