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यदि tan 51^(@) - 2 tan 12^(@) = tan x^(@...

यदि `tan 51^(@) - 2 tan 12^(@) = tan x^(@)` तथा `tan theta.tan(60^(@)-theta).tan (60^(@) + theta) = tan x^(@)` है, तो `theta` का न्यूनतम धनात्मक मान हैं

A

`9^(@)`

B

`13^(@)`

C

`17^(@)`

D

`21^(@)`

लिखित उत्तर

Verified by Experts

The correct Answer is:
B
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