Q6. The value of 2 tan-1 13 + tan-1 17' =
(A) tan-1 4429
(B) T/2
(C) 0
(D) TV/4
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Answer:
tan-144429
Step-by-step explanation:
tan-113=1/2×(-113)
=1×(-113)/2
=-113/2
tan
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