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The smallest positive value of x (in deg...

The smallest positive value of x (in degress) for whiich `tan (x + 100^(@)) = tan (x + 50^(@)) .tan xtan (x-50^(@))` is

A

`30^(@)`

B

`45^(@)`

C

`55^(@)`

D

`15^(@)`

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The correct Answer is:
A
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