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Please explain me how to solve it cos2x+cos4x ≥0

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Please explain me how to solve it cos2x+cos4x ≥0

asked Oct 3, 2017 86.9k views

1 vote

Please explain me how to solve it
cos2x+cos4x ≥0

Mathematics
high-school

Farzin Nasiri asked

by Farzin Nasiri

8.6k points

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1 Answer

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2x + 4x will always be larger or equal to 0.
if x= 0 than it will be equal to 0.
Does this help at all?

ISZ answered Oct 8, 2017

by ISZ

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