A.60°与-300° | B.230°与950° |
C.1050°与-300° | D.-1000°与80° |
A.(1) | B.(1)(2)(5) |
C.(3)(4)(5) | D.(1)(3) |
A.(2-sin 1cos 1)R2 | B.sin 1cos 1R2 |
C.R2 | D.(1-sin 1cos 1)R2 |
角α的度数 | -570° | 375° | | | |
角α的弧度数 | | | -3 | - | |
角α所在的象限 | | | | | |
在(-4π,π)内 与α终边相同的角 | | | | | |
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