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𝑓(π‘₯)=βˆ’1.5π‘π‘œπ‘ (2π‘₯βˆ’πœ‹/ 3)+0.5.

 Jan 21, 2021
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Midline of the cos funtion is USUALLY   y = 0 

   this cos fxn is shited  UP 0.5

y = 0.5

 

the minus 1.5  flips it around the x axis   and   enlarges it by 1.5

   the - pi/3 is a phase shift

 Jan 21, 2021

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