Asked by Malisa

what is the range of y=Arc sin x?

I don't know what is the Arc stands for. Please help and explain. Thanks!
Answered by bobpursley
ARC means the angle..
arcsin means the angle whose sine is ...x

arccos means the angle whose cosine is ..

Answered by Malisa
so, for this problem, the range is -1 to 1?
Answered by bobpursley
y is the angle. Wouldn't it range from -inf to + inf? (4n+1)*PI/2 for all n ?

check my thinking.
Answered by Malisa
I still don't get it. How come y is the angle?
Answered by bobpursley
The original equation, I read:

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

Answered by Malisa
so how can i solve for it?
Answered by bobpursley
Where is sine x=1?
Answered by Malisa
90?
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