טריגונומטריה Flashcards
1
Q
SIN(2x)
A
2SIN(x)cos(x)
2
Q
Cos(2x)
A
Cos(x)*cos(x)-sin(x)sin(x)
3
Q
Cos(2x)
A
2cos(x)*cos(x)-1
4
Q
Cos(2x)
A
1-sin(x)*sin(x)
5
Q
Sin(a+b)
יחס זוויות מעורבב
A
Sin(a)cos(b)+cos(a)cos(b)
6
Q
Sin(a-b)
A
Sin(a)cos(b)-cos(a)sin(b)
7
Q
Cos(a+b)
A
Cos(a)cos(b)-sin(a)sin(b)
8
Q
Cos(a-b)
A
Cos(a)cos(b)+sin(a)sin(b)
9
Q
-sin(x)
A
Sin(-x)
10
Q
-Cos(x)
A
Cos(180-x)
11
Q
Sin(x)
A
Cos(90-x)
12
Q
Cos(x)
A
Sin(90-x)
13
Q
Sin(x)sin(x)+cos(x)cos(x)
A
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