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Grade 10Trigonometry

what is the variations in trignonmetery like all,silver,tea,cups and where will be this concept used

Profile image of dvm srikant
16 Years agoGrade 10
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2 Answers

Profile image of Vikas TU
6 Years ago
Dear student 
This is used to find which trigonometric function is +ve or -ve in which quaderant .
In 1 st quadrant = All positive
In 2nd = Sin , Cosec Positive 
In 3rd = Tan , Cot Positive 
In 4th = Cos, sec Positive