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Lawson Price
Mathematics
10 September, 12:10
Solve tan2A - 2tanA = - 1
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Spirit
10 September, 12:29
0
Ill assume it is : -
tan^2 A - 2 tan A + 1 = 0
(tan A - 1) ^2 = 0
tan A = 1
m < A = 45, 225 degrees (where 0 < m A < 360)
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