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( cos (45^(@) + A) - cos (45^(@) - A))/(...

`( cos (45^(@) + A) - cos (45^(@) - A))/( sin (120^(@) + A)-sin(120^@-A))=`

A

`2`

B

`sqrt(2)`

C

`2sqrt(2)`

D

`pmsqrt(2) `

Text Solution

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The correct Answer is:
B
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