1
Q
Sin 30
A
1/2
2
Q
Cos 30
A
(square root 3)/2
3
Q
Tan 30
A
(square root 3)/3
4
Q
Sin 60
A
= cos 30
(square root 3)/2
5
Q
Cos 60
A
= sin 30
1/2
6
Q
Tan 60
A
square root 3
7
Q
Sin 0
A
0
8
Q
Cos 0
A
1
9
Q
Tan 0
A
0
10
Q
Sin 90
A
1
11
Q
Cos 90
A
0
12
Q
Tan 90
A
Infinite
13
Q
Describe sin graph
A
Wave Starts at 0 at 0 degrees Max value is 1 (at 90 degrees) Min value is -1 (at 180 degrees) Repeats at 360 degrees (back to 0)
14
Q
Describe cos graph
A
Wave Starts at 1 at 0 degrees Max value is 1 (at 0 degrees) Min value is -1 (at 180 degrees) 0 at 90 degrees Repeats at 360 degrees (back to 1)
15
Q
Describe tan graph
A
0 at 0 degrees
Asymptote (goes off to +ve infinity at 90 degrees)
Positive between 0 and 90 degrees
Negative between 90 degrees and 180 degrees
Repeats at 180 degrees (back to 0)
Maths iGCSE
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