4sinα-2cosα |
5cosα+3sinα |
4sinα-2cosα |
5cosα+3sinα |
4tanα-2 |
5+3tanα |
3 |
2 |
4 |
5 |
π |
4 |
A.7 | B.
| C.-
| D.-7 |
| ||
6 |
| ||
2 |
A.
| B.±
| C.
| D.-
|
4 |
5 |
π |
2 |
α |
2 |
A.-
| B.-2 | C.2 | D.
|
a |
b |
c |
a |
b |
c |
b |
c |
sin2(π-a)•cos(2π-a)•tan(-π+a) |
sin(-π+a)tan(3π-a) |
5 |
4 |
1 |
8 |
π |
4 |
π |
2 |
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