Jim: Thank you.
Sam: Happy birthday, Tim! Here is your kite.
Tim: Thank you.
Sam: Happy birthday, Jack! Here is your present.
Jack: What’s this? Oh! It’s a cap. Thank you!
1.
![](http://static.xuejinqu.com/qimg/90b/90badbac42c6171b07c93ad1477e5f67.png)
![](http://static.xuejinqu.com/qimg/09d/09d3ae5a4e645d3f4cd9fe9fb9a7c230.png)
![](http://static.xuejinqu.com/qimg/48d/48dcf3706296ba38d3d7e993505d2c59.png)
a.
![](http://static.xuejinqu.com/qimg/44d/44dc93a57864192ca6d12e2c0e061d0f.png)
![](http://static.xuejinqu.com/qimg/343/343e6a17c88d07d8d5084c0dec4b6f26.png)
![](http://static.xuejinqu.com/qimg/2cb/2cb33244cece0a5bb5414b3c16e882bc.png)
![](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)