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If DeltaABC the sides, b,c are given. If...

If `DeltaABC` the sides, b,c are given. If there is an error `deltaA` in measuring angle 'A' then `deltaa=`

A

`(Delta)/(2a)deltaA`

B

`(2Delta)/(a)deltaA`

C

`bcsinAdeltaA`

D

`2Delta`

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-ERRORS AND APPROXIMATIONS-PRACTICE EXERCISE
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