cosα |
1+sinα |
sinα |
1+cosα |
2(cosα-sinα) |
1+sinα+cosα |
1+sina+cosa |
1+sina+cosa |
cosa |
1+sina |
sina |
1+cosa |
1 |
1+sina+cosa |
(1+sina+cosa)cosa |
1+sina |
(1+cosa+sina)sina |
1+cosa |
1 |
1+sina+cosa |
cos2a |
1+sina |
sin2a |
1+cosa |
1 |
1+sina+cosa |
2(cosa-sina) |
1+sina+cosa |
b |
c |
2 |
3 |
A.
| B.
| C.
| D.
|
a |
3x |
2 |
3x |
2 |
b |
x |
2 |
x |
2 |
c |
3 |
a |
b |
a |
c |
5 |
π |
3 |
BC |
CA |
CA |
AB |
BC |
s |
3 |
t |
C |
2 |
s |
t |
2 |
3 |
π |
3 |
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