math

what is the range of y=Arc sin x?

I don't know what is the Arc stands for. Please help and explain. Thanks!

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asked by Malisa
  1. ARC means the angle..
    arcsin means the angle whose sine is ...x

    arccos means the angle whose cosine is ..

  2. so, for this problem, the range is -1 to 1?

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    posted by Malisa
  3. y is the angle. Wouldn't it range from -inf to + inf? (4n+1)*PI/2 for all n ?

    check my thinking.

  4. I still don't get it. How come y is the angle?

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    posted by Malisa
  5. The original equation, I read:

    y is the angle whose sine is x
    y=arcsin x

  6. so how can i solve for it?

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    posted by Malisa
  7. Where is sine x=1?

  8. 90?

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    posted by Malisa

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