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प्रश्न
Find the area of the curve y = sin x between 0 and π.
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उत्तर
We have
Area OAB = `int_0^pi t"d"x`
= `int_0^pi sinx "d"x`
= `|-cos x|_0^x`
= cos0 – cosπ
= 2 sq.units
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