sinθ+cosθ |
sinθ-cosθ |
3π |
2 |
sinθ+cosθ |
sinθ-cosθ |
3π |
2 |
1 |
2 |
1 |
2 |
2tanθ |
1+tan2θ |
3 |
1+32 |
3 |
10 |
3 |
10 |
sin[α+(2n+1)π]+sin[α-(2n+1)π] |
sin(α+2nπ)•cos(α-2nπ) |
1-cos4α-sin4α |
1-cos6α-sin6α |
1 |
2 |
π |
4 |
3 |
π |
2 |
sin(π-α) |
tan(π+α) |
cot(
| ||
sin(
|
cos(-α) |
sin(tπ-α) |
| ||
10 |
sin(-α)+sin(-90°-α) |
cos(540°-α)+cos(-270°-α) |
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