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Grade: 12

                        

Find domain of square root of (sin x – 1) Please show steps

3 years ago

Answers : (1)

Arun
24738 Points
							
as we know,
quantity under square root should be either positive or zero to be defined
hence sin x –1 should be positive or zero
but sin x can’t be more than 1.
hence it can not be positive but it can be zero where sin x = 1
hence only solution for this function to be defined is sin x = 1
hence x = (2n + 1)\pi/2
thus domain = (2n + 1)\pi/2 ;  where n = integer
3 years ago
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