Mathematics
posted by
Nina on
.
Solve the following equation for x, where 0 </ x 2(pi).
tan^2x=1

Mathematics 
maria,
Convert → 4.2 g = ______ kg.

Mathematics 
Nina,
Umm...what?

Mathematics 
MathMate,
Solve the following equation for x, where 0 ≤ x < π
tan²x=1
Between 0 and π, tan π/4=1,
so what is x?