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  • a)
    2√mn
  • b)
    4√mn
  • c)
    m – n
  • d)
    2mn
Correct answer is option 'B'. Can you explain this answer?
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a)2√mnb)4√mnc)m – nd)2mnCorrect answer is option 'B'...
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a)2√mnb)4√mnc)m – nd)2mnCorrect answer is option 'B'...
If tan(x) is positive, it means that the value of the tangent function is positive for the angle x. In trigonometry, the tangent of an angle is defined as the ratio of the length of the opposite side to the length of the adjacent side in a right triangle.

If tan(x) is positive, it means that the length of the opposite side is positive and the length of the adjacent side is positive. This can occur in two cases:

1. The angle x is in the first or third quadrant of the unit circle, where both the x-coordinate and y-coordinate of the corresponding point on the unit circle are positive.

2. The angle x is coterminal with an angle in the second or fourth quadrant of the unit circle, where the x-coordinate is negative and the y-coordinate is negative, but the ratio of their absolute values (opposite/adjacent) is positive.

In both cases, the tangent function is positive.
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a)2√mnb)4√mnc)m – nd)2mnCorrect answer is option 'B'. Can you explain this answer?
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