Find the 3 smallest positive x-intercepts of the graph of and list them in increasing order.

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Find the 3 smallest positive x-intercepts of the graph of
$[y = \cos(12x) + \cos(16x)]$ and list them in increasing order.

Guest Apr 3, 2022

ElectricPavlov · Answer 1 · 2022-04-03T05:32:19

Here is the graph in degrees:

https://www.desmos.com/calculator/ngnf1sskeh

in radians:

https://www.desmos.com/calculator/ated84nqxp