Answer:
Options (1), (2), (3) and (4)
Step-by-step explanation:
By applying the sine and cosine rules in the given triangle,
sinθ = 
cosθ = 
cos(30°) =
= 
= 
sin(30°) = 
= 
= 
cos(60°) = 
= 
= 
sin(60°) = =
= 
= 
Options (1), (2), (3) and (4) are the correct options.
Answer:
B
Step-by-step explanation:
We can notice that based on the given pattern, the average rate of change from
to
, where
, is
.
So, the average rate of change from
to
is
.
Just divide 27.040 divided by 40 equals 0.648 witch means 648 $ per hour well i think