Functia sinus Flashcards
(10 cards)
1
Q
sin(a+b)
A
sinacosb+cosasinb
2
Q
sin(a-b)
A
sinacosb-cosasinb
3
Q
sin(pi/2-x)
A
cos x
4
Q
sin2x
A
2sinxcosx
5
Q
sin3x
A
3sinx-4sin^3x
6
Q
sin^2x
A
1-cosx/2
tg^2x/1+tg^2x
1/1+ctg^2x
7
Q
sinasinb
A
cos(a-b)-cos(a+b)/2
8
Q
sina + sinb
A
2sin(a+b/2)•sin(a-b/2)
9
Q
sina - sinb
A
2sin(a-b/2)•sin(a+b/2)
10
Q
sin (-x)
A
-sinx
