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Alex
3 years ago
7

Which of the following functions have a vertical asymptote for values of θ such that cos θ = 1? Select two answers.

Mathematics
1 answer:
valentina_108 [34]3 years ago
3 0
Well costheta=1, at 0, 2pi,... 
knowing this we can exclude the first two as the are not undefined anywhere. 
tan is sin/cos, at 0 sin is also 0 so it becomes 0/1 which is 0, not undefined.
sec is1/cos, cos is 1, this is just 1
csc is 1/sin, sin is 0, 1/0 is undefined, meaning there will be an asymptote 
cot is cos/sin, this is again 1/0, so it is also an asymptote
The last two answers are the ones you want
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