Answer:
y = -1
Step-by-step explanation:
Well lets see. if you're being specific about the rigor, then the period means that <span>cos(2Π÷3(x+α))=cos(2Π÷3(x))</span>Therefore this gives <span>2π÷3α=2π</span>so α = 3.
Hope this can help you
Answer:
4.
x=15
angles
5x-24 = 51
3x+6 = 51
5.
x=58
angles
2x = 116
x+6 = 64
Step-by-step explanation: