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प्रश्न
Find the value of x in the following :
`2 sin x/2 = 1`
उत्तर
We have
`2 sin x/2 = 1`
`=> sin x/2 = 1/2`
Since `sin 30^@ = 1/2`
Therefore
`sin x/2 = 1/2`
`sin x/2 = sin 30^@`
`x/2 = 30^@`
`x = 2 xx 30^@`
`=> x = 60^@`
Therefore
`x = 60^@`
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