KarateKat
24.09.2021 •
Mathematics
Solve the equation sin x=cos(x+π/6) for -π≤x≤π
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Ответ:
x = π/3
Step-by-step explanation:
sin x=cos(x+π/6)
= cos (x) cos π/6 + sin (x) sin π/6
= √3/2* cos x + 1/2* sin x
1/2* sin x = √3/2* cos x
sin x / cos x = (√3/2) / (1/2) = √3
tan x = √3 (-π≤x≤π)
x = π/3
Ответ:
*The blue and Orange waves have the same volume, but the blue wave has a higher pitch*