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

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- Apr 11th 2010, 03:02 PMbaconfootInverse 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 - Apr 11th 2010, 03:24 PMstapel
What angle measure $\displaystyle \theta$ gives you a tangent value of $\displaystyle \sqrt{3}$? Where (that is, in which quadrants) is tangent negative?

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