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kaczmarekr4 kaczmarekr4
  • 12-08-2014
  • Mathematics
Answered

what is the correct definition for tan 0

tan0=1/sin0

tan0=1/cos0

tan0=cos0/sin0

tan0=sin0/cos0

please explain if possible.

Verified Answer :

Anonymous Anonymous
  • 17-08-2014

\(tan\theta=\frac{sin\theta}{cos\theta}\\\\\\Look\ at\ the\ picture.\\\\In\ a\ right\ triangle:\\\\sin\theta=\frac{a}{c};\ cos\theta=\frac{b}{c};\ tan\theta=\frac{a}{b}\\\\\frac{sin\theta}{cos\theta}=\frac{\frac{a}{c}}{\frac{b}{c}}=\frac{a}{c}\times\frac{c}{b}=\frac{a}{b}=tan\theta\)

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