trigonometry identities and more Flashcards
(27 cards)
1
Q
derivative of sinx
A
cosx
2
Q
derivative of sin kx
A
kcos kx
3
Q
derivative of cos x
A
-sin x
4
Q
derivative of cos kx
A
-ksin kx
5
Q
derivative of tan x
A
sec^2x
6
Q
derivative of tan kx
A
k sec^2 kx
7
Q
derivative of sec x
A
sec x tan x
8
Q
derivative of sec kx
A
ksec kx tan kx
9
Q
derivative of cot x
A
-cosec^2 x
10
Q
derivative of cot kx
A
-kcosec^2 kx
11
Q
derivative of cosec x
A
-cosec x cot x
12
Q
cosec kx
A
-kcosec kx cot kx
13
Q
sin^2 x + cos^2 x = ?
A
1
14
Q
sin2A = ?
A
2sinAcosA
15
Q
sin4A = ?
A
2sin2Acos2A
16
Q
sin3A = ?
A
2sin3A/2cos3A/2
17
Q
sinA = ?
A
2sinA/2cosA/2
18
Q
cos2A = ?
A
2cos^2 A - 1 and 1 - 2sin^2 A
19
Q
sec^2 A = ?
A
1 + tan^2 A
20
Q
cosec^2 A
A
1 + cot^2 A
21
Q
tan2A = ?
A
2tanA / 1 - tan^2 A
22
Q
tan (A + B) = ?
A
tanA + tanB / 1- tanAtanB
23
Q
tan (A - B) = ?
A
tanA - tanB / 1 + tanAtanB
24
Q
cos (A + B) = ?
A
cosAcosB - sinAsinB
25
cos (A - B) = ?
cosAcosB + sinAsinB
26
sin (A + B) = ?
sinAcosB + cosAsinB
27
sin (A - B) = ?
sinAcosB - cosAsinB
