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If 1^0=alpha radians, then find the appr...

If `1^0=alpha` radians, then find the approximate value of `cos60^0 1^(prime)dot`

A

`1/2+(alphasqrt(3))/120`

B

`1/2-alpha/120`

C

`1/2-(alphasqrt(3))/120`

D

`1/2+alpha/120`

Text Solution

Verified by Experts

The correct Answer is:
C
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DIPTI PUBLICATION ( AP EAMET)-APPLICATIONS OF DIFFERENTIATION-EXERCISE 1A (APPROXIMATIONS AND ERRORS)
  1. The approximate value of sin 30^@ 1^', given that 1^@= 0.01745 radian ...

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  2. The approximate value of cos 60^@, given that 1^@= 0.01745 radian is

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  3. If 1^0=alpha radians, then find the approximate value of cos60^0 1^(pr...

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  4. The approximate value of tan 45^@ 1^', given that 1^@ = 0.01745 radian...

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  5. How many times of relative error in I is the relative error in T, whe...

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  6. If an error of 0.02 cm is made while measuring the radius 10 cm of a c...

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  7. IF an error of 0.01 cm is made while measuring the radius 2 cm of a ci...

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  8. IF an error of 0.01 cm is made while measuring the radius 5 cm of a ci...

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  9. If there is an error of 0.02 sq.cm is made in the area of a circle whi...

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  10. A circular plate expands when heated from a radius of 5 cm to 5.06 cm....

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  11. The diameter x of a circle is found by measurement to be 5 cm with max...

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  12. The diameter x of a circle is found by measurement to be 5 cm with max...

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  13. The circumference of a circle is measured as 56 cm with error 0.02 cm....

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  14. In measuring the circumference of a circle , there is an error of 0.05...

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  15. In measuring the circumference of a circle , there is an error of 0.05...

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  16. The circumference of a circle is measured as 14 cm with an error of 0....

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  17. In measuring the area of a circle in 25pi sq.cm, there is an error of ...

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  18. In measuring the vertical angle of the sector of a circle of radius 30...

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  19. If an error of 0.02 cm is made while measuring the radius 10 cm of a s...

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  20. If there is a possible error of 0.02 cm in the measurement of the diam...

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