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If 2 sin^2 theta+3 sin theta-2=0,0^@ pr...

If `2 sin^2 theta+3 sin theta-2=0`,`0^@ prec theta prec 90^@` then the value of `theta` is:
यदि `2 sin^2 theta+3 sin theta-2=0` और `0^@ prec theta prec 90^@` है, तो `theta` बराबर है :

A

`45^@`

B

`30^@`

C

`90^@`

D

`60^@`

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