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For x in [0,2pi], what are the x intercepts of y = cos(x)?

Deathstroke_rule  Apr 18, 2017
 #1
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These occur where the cosine  = 0

 

So.......at    pi/2  and  3pi/2

 

Here's the graph that confirms this : https://www.desmos.com/calculator/5ez2c90mgb

 

 

cool cool cool

CPhill  Apr 18, 2017

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