MAT129 Fall 2024 Notes

Wednesday  November 20		Topics:	9.5		Notes:	11.20a, 11.20b, 11.20c, 11.20d

 

22     9.5

9.5 Solving Trigonometric Equations, pg. 739

      solvtrg.xls

• Solve a right triangle.
• Solve a 45-45-90 triangle.
  Input leg a. Seek a leg and hypotenuse.
  Input side c. Seek two legs.
• Solve a 30-60-90 triangle.
  Input leg a. Seek a leg and hypotenuse.
  Input leg b. Seek a leg and hypotenuse.
  Input side c. Seek the hypotenuse.
• Use Pythagorean Theorem and arithmetic and basic trig.
  Input leg a and leg b. Seek the hypotenuse and the angles.
  Input hypotenuse c and leg a. Seek a leg and the angles.
  Input angle A and side a. Seek a leg, side, and hypotenuse.
• Solve any triangle.
  Use the Sine Law, if a side and the opposite angle are given.
  Input angles A , B, side a. Seek two sides and an angle.
  Input angle A , side a, side b. Seek two angles and a side.
• Use the Law of Cosines.
  Input sides a, b, c. Seek each angle.
  Input angle A , sides b,c. Seek no solution, 1 solution, or 2 solutions.

© 7/24, A2 http://www.mathnstuff.com/math/precalc/129/W.11.20.htm