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OpenStudy (tomektomeknyc):
Which of the following has no solutions: a) sec x+ 2 = 0 b) cos x - 3 = 0 c) sin x (sin x + 1)= 0 d) 3 tan x - 1 = 0
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OpenStudy (anonymous):
b) cos x - 3 = 0
OpenStudy (tomektomeknyc):
Thank you very much. Could you explain how to calculate those examples?
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