Thread: Inverse Functions help

Hey guys i'm trying to figure these Inverse problems out. Any and all help would be greatly appreciated.


arcTan(- √3) . Give Answer in Exact Radians


and
is this possible?



Sin[arcCos(-1/3)+arcSin(2/5)] . Give Answer in Exact Radians

Originally Posted by baconfoot

arcTan(- √3) . Give Answer in Exact Radians

What angle measure gives you a tangent value of ? Where (that is, in which quadrants) is tangent negative?

Originally Posted by baconfoot

Sin[arcCos(-1/3)+arcSin(2/5)] . Give Answer in Exact Radians

If you've learned about angle-sum identities, this might be a good place to apply one.