Formulas Flashcards
(30 cards)
1
Q
sin2x =
A
2 sin(x) cos(x)
2
Q
cos 2x = (3 equations)
A
cos (2x) = cos2x - sin2x
cos (2x) = 1 - sin2x
cos (2x) = 2 cos 2x - 1
3
Q
tan (2x) =
A
4
Q
sin (A + B)
A
sinA cosB + cosA sinB
5
Q
sin (A - B)
A
sin A cos B - cos A sin B
6
Q
cos (A + B)
A
cos A cos B - sin A sin B
7
Q
cos (A - B)
A
cos A cos B + sin A sin B
8
Q
tan (A + B)
A
9
Q
tan (A - B)
A
10
Q
sin (x) + sin (y)
A
11
Q
sin (x) - sin (y)
A
12
Q
cos (x) + cos (y)
A
13
Q
cos (x) - cos (y)
A
14
Q
sin (u) * cos (v)
A
15
Q
cos (u) * sin (v)
A
16
Q
cos (u) * cos (v)
A
17
Q
sin (u) * sin (v)
A
18
Q
A
19
Q
A
20
Q
A
21
Q
sin cofunction
A
22
Q
cos cofunction
A
23
Q
tan cofunction
A
24
Q
cot cofunction
A
25
sec cofunction
26
csc cofunction
27
for equation a sin(bx - c)+d what is the amplitude?
|a|
28
for equation a sin(bx - c)+d what is the period?
( 2π / b )
29
for equation a sin(bx - c) + d what is the phase shift?
( c / b )
30
