SOLUTION: 4sin^-1 x=pi What is the solution set?

Question 1004470: 4sin^-1 x=pi
What is the solution set?
Answer by ikleyn(52752)   (Show Source): You can put this solution on YOUR website!
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4sin^-1 x=pi
What is the solution set?
---------------------------

Do you mean this?
4*arcsin(x) = ?

If so, then

arcsin(x) =     and

x = sin() = .

It is the unique solution of the equation.

==========

If you mean this

4* = ,

then    = and   sin(x) = .

It has no solution at all, because the right side is greater than 1, and, as everybody knows, sine can not be greater than 1.

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