july8882 july8882
  • 15-04-2018
  • Mathematics
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Write cot(t) in terms of sin(t) if the terminal point determined by t is in the fourth quadrant. do not leave a fraction inside a radical or use absolute value.

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jcherry99
jcherry99 jcherry99
  • 15-04-2018
cot(t)= cos(t) / sin(t)
Cos(t) = sqrt(1 - sin^2(t) )  But this is in quad 4, so  sin(t) <0
cot(t) = sqrt(1 -sin^2(t)) /  - sint(t)
cot(t) = - sqrt( 1 - sin^2(t) ) / sin(t)
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