Solve for exact value: tan 2x = -1 where 0 lessthan/equal to x and x less than 2 pi

the answer must be in radians
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2 Answers

tan 2x = -1

x = .0349

by Level 10 User (55.7k points)
how did you get that?
asked Apr 24, 2012 in Trigonometry Answers by anonymous | 554 views
tan 2x= -1

=3π/8, 7π/8, 11π/8, 15π/8
by

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