sinx+cosx |
cosx-sinx |
tanx+1 |
1-tanx |
π |
4 |
A.f(x)与g(x) | B.f(x)与h(x) | C.g(x)与h(x) | D.f(x),g(x)与h(x) |
tanx+1 |
1-tanx |
| ||
1-
|
sinx+cosx |
cosx-sinx |
π |
4 |
tanx+1 |
1-tanx |
sinx+cosx |
cosx-sinx |
3 |
3 |
π |
3 |
π |
6 |
π+2x |
4 |
π |
2 |
2π |
3 |
1 |
7 |
13 |
14 |
π |
2 |
cos(π+2α)tan(π-2α)sin(
| ||
cos(
|
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