Posted by Nina on Friday, August 14, 2009 at 9:18pm.
Solve the following equation for x, where 0 </ x 2(pi).
tan^2x=1

Mathematics  maria, Friday, August 14, 2009 at 9:19pm
Convert → 4.2 g = ______ kg.

Mathematics  Nina, Friday, August 14, 2009 at 9:19pm
Umm...what?

Mathematics  MathMate, Friday, August 14, 2009 at 9:49pm
Solve the following equation for x, where 0 ≤ x < π
tan²x=1
Between 0 and π, tan π/4=1,
so what is x?
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