Rewrite the expression as...
f(t) = 1/(cos(πt))
If the denominator is 0, this restricts the domain, so you should get all real values except...
cos(πt) = 0
πt = π/2 + πk
t = (½ + k)
Good luck!
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Verified answer
Rewrite the expression as...
f(t) = 1/(cos(πt))
If the denominator is 0, this restricts the domain, so you should get all real values except...
cos(πt) = 0
πt = π/2 + πk
t = (½ + k)
Good luck!