sin(x+y) |
x+y |
sin(x-y) |
x-y |
sinx |
cosx |
sinxcosy+cosxsiny |
x+y |
sinxcosy-cosxsiny |
x-y |
xcosxcosy-ycosxcosy |
x-y |
xcosxcosy+ycosxcosy |
x+y |
cosxcosy(x+y) |
x+y |
cosxcosy(x-y) |
x-y |
π |
2 |
π |
8 |
π |
2 |
π |
3 |
A.[
| B.[0,
| C.[-π,0] | D.[
|
cos3x-cosx |
cosx |
A.[-4,0) | B.[-4,4) | C.(-4,0] | D.[-4,0] |
m |
n |
m |
n |
1 |
3 |
π |
2 |
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