How to find the period of y = cos 6x + sin 4x?
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Answer:
Functions are defined in the form cos(2πf) or sin(2πf) and so on. The period λ = 1/f.
Step-by-step explanation:
You have two functions. One has (2πf)=6x so f = 3x/π and λ = π/3x. The other has (2πf)=4x so f=2x/π and λ = π/2x. So the overall period is the LCM of π/2 and π/3 and that is π.
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