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The new Polar RCX5 Tour de France cycling watch is due out in April and according to the Heart Rate Watch
Trigonometry, from the Greek trigonon, meaning triangle, and metron, meaning measure, is a branch of mathematics that studies the relationships involving lengths and angles of triangles. The field came about during the 3rd century BC from applications of geometry to astronomical studies. The 3rd century astronomers first noted that the lengths of the sides of a right triangle and the angles between those sides have fixed relationships: that is, if at least the length of one of those sides...
- In the month which preceded the present; in the last month, as distinguished from the current or present month and all others.