Answer:
cos beta = 3 /5 ............
-19 is the next number, why?
Because the order goes by -6 up, -2 down.
-11 (-6) -17 (-2) -15 (-6) -21 (-2) -19
Hope this helped!
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Answer:

Step-by-step explanation:
We were originally on -1.
But we jumped to -4.
-4 is 3 spaces to the left of -1.
In other words, we subtract 3 into -1.
Another way of saying this is that we added -3 to -1.
Therefore, our equation is:

Answer:
1/2
Step-by-step explanation:
Plugging in the values
4(-3)^0*2^-3
4(1)*1/8
4/8
1/2