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प्रश्न
Choose the correct alternative:
sin(tan–1x), |x| < 1 is equal to
पर्याय
`x/sqrt(1 - x^2)`
`1/sqrt(1 - x^2)`
`1/sqrt(1 + x^2)`
`x/sqrt(1 + x^2)`
उत्तर
`x/sqrt(1 + x^2)`
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