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
