SOLUTION: cos(4θ)=0

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Question 1116153: cos(4θ)=0
Answer by ikleyn(52908)   (Show Source): You can put this solution on YOUR website!
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cos(4t) = 0 =====>


4t = ,  where k is any integer  k = 0, +/-1, +/-2, . . .  ====>


t = ,  where k is any integer  k = 0, +/-1, +/-2, . . . .


Answer.  The given equation has infinitely many solutions  t =  + ,  where k is any integer  k = 0, +/-1, +/-2, . . . .


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