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Find the Value of X in the Following : 2 Sin X/2 = 1 - Mathematics

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प्रश्न

Find the value of x in the following :

`2 sin  x/2 = 1`

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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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पाठ 10: Trigonometric Ratios - Exercise 10.2 [पृष्ठ ४२]

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आरडी शर्मा Mathematics [English] Class 10
पाठ 10 Trigonometric Ratios
Exercise 10.2 | Q 21 | पृष्ठ ४२

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