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If sin a- sin b = 1/5, then tan(a/2) is equal to (A) -3 or ½ [ correct answer] (B) 3 or -1/2 (C) -2 or 1/3 (D) 2 or -1/3

If sin a- sin b = 1/5, then tan(a/2) is equal to
(A) -3 or ½ [ correct answer]
(B) 3 or -1/2
(C) -2 or 1/3
(D) 2 or -1/3

Grade:

1 Answers

Saurabh Koranglekar
askIITians Faculty 10335 Points
5 years ago
Dear student

Please check the question it contains one equation and two variables

there must be another equation

kindly repost with complete information

Regards

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