Core 3 Unit 6 Flashcards
(20 cards)
0
Q
What is cosec?
A
1/sin
1
Q
What is sec?
A
1/cos
2
Q
What is cot?
A
1/tan
3
Q
What is cot or 1/tan equal to?
A
Cos/sin
4
Q
What is sec^2 equivalent to?
A
1 + tan^2
5
Q
What is cosec^2 equivalent to?
A
Cot^2 + 1
6
Q
Where are asymptotes on a cosec graph?
A
At 0, pi, 2pi etc
7
Q
Where are the asymptotes on a sec graph?
A
Half pi, 3/2 pi, etc
8
Q
Where are the asymptotes on a cot graph?
A
0, pi, 2pi etc
9
Q
How to find sin(A+B)
A
sinAcosB + cosAsinB
10
Q
How to find sin(A-B)
A
sinAcosB - cosAsinB
11
Q
How to find cos(A+B)
A
cosAcosB - sinAsinB
12
Q
How to find cos(A-B)
A
cosAcosB + sinAsinB
13
Q
What is tan(A+B)
A
tanA + tanB / 1 - tanAtanB
14
Q
What is tan(A-B)
A
tanA - tanB / 1+tanAtanB
15
Q
What is sin2A
A
2sinAcosA
16
Q
What is cos2A
A
cos^2A - sin^2A
17
Q
What is tan2A
A
2tanA / 1-tan^2A
18
Q
What is 1+cos2A
A
2cos^2A
19
Q
What is 1-cos2A
A
2sin^2A
