Answers

2014-12-01T11:50:15+05:30
TRIGONOMETRY-
It is a branch of mathematics which deals with the relation of sides and angles of the triangles and with the relevant functions of any angle is known as trigonometry.
  
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2014-12-01T12:38:58+05:30
Trigonometry is a is a branch of mathemathics that studies relationships involving lengths and angles of triangle.the father trigonometry is hipparchus.
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