3 years ago

Solve tan2A - 2tanA = -1

1 answer:

5 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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