INVERSE TANGENT GEO200 tan = opposite adjacent  = tan -1 opposite adjacent INVERSE TANGENT: (tan -1 ) finds the measure of the angle of a right triangle.

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Presentation transcript:

INVERSE TANGENT GEO200 tan = opposite adjacent  = tan -1 opposite adjacent INVERSE TANGENT: (tan -1 ) finds the measure of the angle of a right triangle.  opp TANGENT: finds the length of a side of a right triangle. adj

INVERSE TANGENT GEO200 Use tan -1 to find  to the nearest degree.  A B C 17 8  A B C Answer on next slide. TRY IT!

INVERSE TANGENT GEO200 ANSWER!  = tan = 65°  = tan -1 = 30° Use tan -1 to find  to the nearest degree.  A B C 17 8  A B C