| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| cos2a 1/4 | 0.05 | 0.5 | 6629 | 73 |
| cos2a 1+cos2a /2 | 1.96 | 0.3 | 2518 | 78 |
| cos2a 1-2sin2a | 1.76 | 0.3 | 3946 | 19 |
| cos2a 1-2sin 2a for all values of a | 0.42 | 1 | 9584 | 17 |
| cos 210 | 1.79 | 0.9 | 4278 | 18 |
| cos 2 1 | 1.93 | 1 | 6923 | 82 |
| cos 2u identity | 0.69 | 0.6 | 1615 | 64 |
| cos2 1-sin2 | 0.11 | 0.4 | 2451 | 99 |
| cos 2 15 | 0.17 | 0.6 | 4087 | 48 |
| cos 217 | 1.36 | 0.8 | 9700 | 40 |
| if 7 sin2a + 3 cos2a 4 show that tan a 1 | 1.22 | 1 | 3251 | 36 |
| cho cos2a 1/4 | 0.17 | 0.8 | 3542 | 3 |
| cos2a cos 2a - sin 2a | 1.2 | 1 | 6792 | 58 |
| 2sin2a cos2a+1 | 0.32 | 0.2 | 5286 | 21 |
| cos2a in terms of sin | 0.95 | 0.3 | 7155 | 20 |
