a |
b |
a |
b |
a |
b |
1 |
5 |
a |
b |
a |
b |
sin2θ+2sinθcosθ |
sin2θ+cos2θ |
tan2θ+2tanθ |
tan2θ |
1 |
2 |
a |
b |
1 |
5 |
1 |
5 |
12 |
25 |
12 |
25 |
3π |
2 |
1+2sinθcosθ |
7 |
5 |
AC |
BC |
OA |
OB |
OC |
13 |
5 |
A.tanx | B.sinx | C.cosx | D.cotx |
π |
3 |
cos2α+sinαcosα |
sin2α-cos2α |
1 |
2 |
1+2sinθcosθ |
sin2θ-cos2θ |
sin(2π-α)cos(
| ||
sin(-π-α)sin(
|
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