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CBSE Class 10 Answered

applications of trigonometry
Asked by | 07 Jun, 2008, 07:41: PM
Expert Answer

points to be kept in mind:

  • If no diagram is given, draw one yourself.
  • Mark the right angles in the diagram.
  • Show the sizes of the other angles and the lengths of any lines that are known
  • Mark the angles or sides you have to calculate.
  • Consider whether you need to create right triangles by drawing extra lines. For example, divide an isosceles triangle into two congruent right triangles.
  • Decide whether you will need Pythagoras theorem, sine, cosine or tangent.
  • Check that your answer is reasonable. The hypotenuse is the longest side in a right triangle.
  • Answered by | 09 Jun, 2008, 08:33: PM
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