Basics of trigonometry
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sin , cos , tan , cosec , sec , cot
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Trigonometry is derived from Greek words tri-three,gono-angles,metron-measure.i.e.,
,'trigonometry'means 'three angles measure'.i.e.,'triangle measure'.
There are three systems:
1)sexagesimal system or english system(angle is measured in degrees,minutes and seconds)
2)centisimal system or French system(angle is measured in grades,minutes and seconds)
3)radian system or circular system(angle is measured in radians)
,'trigonometry'means 'three angles measure'.i.e.,'triangle measure'.
There are three systems:
1)sexagesimal system or english system(angle is measured in degrees,minutes and seconds)
2)centisimal system or French system(angle is measured in grades,minutes and seconds)
3)radian system or circular system(angle is measured in radians)
Snaky:
Hope this helps u.....
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