1.  Find inverse trigonometric values with your calculator, remembering the ranges involved.
      a.  arcsin .8769
      b.  Sec^-1(-2)
      c.  arccsc (-1.4583)
      d.  cot^-111.1
      e.  Sin^-17
      f.  arctan (cot 35^o)

 2.  Find inverse trigonometric values without your calculator, remembering the ranges involved.
      a.  arcsin (cos 3/5)
      b.  cos^-10
      c.  Cos^-11/2
      d.  Arctan 1
      e.  sin (tan^-1(3/4))
      f.  tan (arccos (-12/13))
      g.  sin (sin^-1.42)
      h. 

3.  Explain why Arcsin 5 does not exist.

4.  Explain why Tan^-1(tan x) is not always equal to x, but tan (Tan^-1x) is always equal to x.

Answers