(1)What colour is the dress ?
![](http://static.xuejinqu.com/qimg/07e/07ef9f73a858218b395a6e0fa07fbd8d.png)
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(2)
![](http://static.xuejinqu.com/qimg/e88/e88db7c2c3fa4b4333456b336a5bdd1e.png)
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(3)
![](http://static.xuejinqu.com/qimg/fbd/fbd6a8d44df0f86795c98695cf3ebb4a.png)
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(4)
![](http://static.xuejinqu.com/qimg/725/725f4407961caa71259773e5e8e81d1d.png)
__________________________________________________(¥12)
(5)
![](http://static.xuejinqu.com/qimg/cf6/cf6ca9c02cf023f9c21ee563b5e764a7.png)
______________________________________(¥200)
![](http://static.xuejinqu.com/images/y-prise.png)
同类型试题
![](http://static.xuejinqu.com/images/medal.png)
y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
![](http://static.xuejinqu.com/images/avatar.png)
![](http://static.xuejinqu.com/images/avatar.png)
y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
![](http://static.xuejinqu.com/images/avatar.png)
![](http://static.xuejinqu.com/images/avatar.png)