मराठी

Find the value of πsin-1[sin(13π7)]

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प्रश्न

Find the value of `sin^-1 [sin((13π)/7)]`

बेरीज
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उत्तर

`sin^-1 [sin((13π)/7)] = sin^-1 [sin(2π - π/7)]`

= `sin^-1[sin(- π/7)]`

= `- π/7`

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