SOLUTION: How many solutions does {{{cos(pi/5)(x+2)=-1}}} has over the interval 0≤x<20?
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Question 1118353: How many solutions does has over the interval 0≤x<20?
Answer by htmentor(1343) (Show Source): You can put this solution on YOUR website!
has solutions , n odd
Solve for x:
On the interval 0≤x<20 the solutions are x = 3 (n=1) and x = 13 (n=3)
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