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If cos 30^(@)=0.8660, 1^(@)=0.0175^(c), ...

If `cos 30^(@)=0.8660, 1^(@)=0.0175^(c)`, then `cos (29 ^(@) 30')~~…`

A

`0.870375`

B

`0.860375`

C

`0.85075`

D

`0.8400375`

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The correct Answer is:
A
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MARVEL PUBLICATION-APLICATIONS OF DERIVATIVES-MULTIPLE CHOICE QUESTIONS (TEST YOUR GRASP - II : CHAPTER 12)
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  14. If y=(log x) - (2)/(x), x=(1)/(2), deltax =10 ^(-8), then delta y ~~…

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  15. If 1^(@) =0.0174^(c), then tan (45^(@) 50')~~…

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  16. If diameter of a sphere is 2 cm with error 0.082 mm, then approximate ...

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  17. If a wire of length l, with error delta l, is bent into an equilatera...

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  18. if radius of a sphere is r with error delta r , and S is its surface ...

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  19. If 1^(@) =0.018^(c), then sin^(2) (45 ^(@) 2')~~…

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  20. A point P moves along the curve y=x^(3). If its abscissa is increasing...

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