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प्रश्न
Evaluate:
`cot(sin^-1 3/4+sec^-1 4/3)`
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उत्तर
`cot(sin^-1 3/4+sec^-1 4/3)`
`=cot(sin^-1 3/4 + cos^-1 3/4)` `[thereforesec^-1x=cos^-1 1/x]`
`=cot(pi/2)` `[thereforesin^-1x+cos^-1x=pi/2]`
= 0
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