Mathematics, 25.10.2019 21:43 spellsaltoniza

(i think i know it just checking) which function has a period equal to half the period of the function in y=5cos(3/5x-pi)+4.. the period is 10pi/3

i think its the first one.

1. y=5sin(6/5x-pi)-4
2. y=-5/2sin(6/10x-2pi)+1/2
3. y=-4cos(5/6x-2pi)+5
4. y=2cos(3/10x-pi)-5/2

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(i think i know it just checking) which function has a period equal to half the period of the functi...