A Math Flashcards
1
Q
Sin^2 +Cos^2
A
1
2
Q
1 + tan^2
A
Sec^2
3
Q
1+cot^2
A
Cosec^2
4
Q
Sin^2
A
1 - cos^2 or 1/cosec^2
5
Q
Cos^2
A
1 - Sin^2 or 1/sec^2
6
Q
Tan^2
A
Sec^2 - 1 or Sin^2/cos^2 or 1/cot^2
7
Q
30 degree in radiant
A
Pi/6
8
Q
45 degree in radiants
A
Pi/4
9
Q
60 degree in radiants
A
Pi/3
10
Q
90 degree in radiants
A
Pi/2
11
Q
Sin(a+b)
A
Sinacosa+cosbsinb
12
Q
Cos(a+b)
A
Cosacosb-sinasinb
13
Q
Tan(a+b)
A
Tana+tanb / 1 - tanatanb
14
Q
Sin2X
A
2SinXcosX
15
Q
Cos2X
A
Cos^2X-Sin^2X or 2Cos^2X-1 or 1-sin^2X
16
Q
Tan2X
A
2TanX / 1-Tan^2X
17
Q
Sin^2 3X
A
1 - cos6X /2
18
Q
Cos^2 4X
A
1 + cos8X / 2
19
Q
Sin5X Cos5X
A
Sin10X /2
20
Q
Amplitude
A
Max - min /2
21
Q
Period
A
360/b or 2pi/b
22
Q
Instantaneously or momentarily at rest
A
V = 0
23
Q
Distance travelled at 3rd second
A
T = 2
T = 3
24
Q
Initial position, velocity, acceleration
A
t = 0
