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If sin^(2)x-asinx+b=0 has only one solut...

If `sin^(2)x-asinx+b=0` has only one solution in `(0,pi)` then which of the following statemnets are correct?

A

`a in (- infty, 1] cup [2, infty)`

B

`b in (- infty, 0] cup [1, infty)`

C

`a = 1 + b`

D

`a in ( - infty, 0) cup (0, infty)`

Text Solution

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The correct Answer is:
A, B, C
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