1.

The number of solutions of `sin^(2)theta=1/2`in `[0,pi]` is ……A. threeB. fourC. twoD. one

Answer» Correct Answer - C
We have, `sin^(2)theta=1/2!sintheta=pm1/(sqrt2)`
We know, `thetain[0,pi]sintheta` is positive
`thereforesintheta=sin45^(@),sin(180^(@)-45^(@))`i.e.. `sin135^(@)`


Discussion

No Comment Found

Related InterviewSolutions