sin(x-3π)•cos(2π-x)•sin(-x+
| ||
cos(-x-π)•cos(
|
4 |
5 |
π |
2 |
sin(x-3π)•cos(2π-x)•sin(-x+
| ||
cos(-x-π)•cos(
|
-sinx•cosx•sin(-x-
| ||
-cosx•sinx |
π |
2 |
π |
2 |
4 |
5 |
4 |
5 |
1-sin2x |
3 |
5 |
3 |
5 |
π |
2 |
π |
2 |
1 |
4 |
25 |
8 |
1 |
4 |
25 |
8 |
π |
2 |
25 |
8 |
A.-
| B.-
| C.
| D.
|
A.
| B.-
| C.-
| D.
|
1 |
2 |
A.
| B.±
| C.-
| D.±
|
cos190°•(-sin210°) |
cos350°•(-tan585°) |
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