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  • 14-09-2016
  • Mathematics
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Which of the six trigonometric functions are not defined at 0?

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Hussain514 Hussain514
  • 16-09-2016
Using trigonometry table :
Sine 0 = 0
Cosine 0 = 1
Tangent 0 = 0
Co-secant 0 = 1/sine 0
                    = 1/0
                    = undefined
Secant 0 = 1/cos 0
               = 1/1
               = 1 
Cotangent 0 = 1/tan 0 
                     = 1/0
                     = undefined
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