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प्रश्न
Choose the correct alternative:
If `sin^-1x + sin^-1y = (2pi)/3` ; then `cos^-1x + cos^-1y` is equal to
विकल्प
`(2pi)/3`
`pi/3`
`pi/6`
`pi`
उत्तर
`pi/3`
APPEARS IN
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