cos(-θ) |
cos(360°-θ)•tan2(180°-θ) |
cos(90°+θ) |
cos2(270°+θ)•sin(-θ) |
cos(-θ) |
cos(360°-θ)•tan2(180°-θ) |
cos(90°+θ) |
cos2(270°+θ)•sin(-θ) |
cosθ | ||
cosθ•
|
-sinθ |
-sin3θ |
cos2θ |
sin2θ |
sinθ |
sin3θ |
17 |
4 |
17 |
4 |
π |
4 |
1 |
3 |
π |
4 |
A.
| B.-
| C.
| D.-
|
tan(4π-α)sin(-2π-α)cos(-8π-α) |
cos(α-π)sin(5π-α) |
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