Answer:
0.531 (3 s.f.)
Step-by-step explanation:
Power rule is used for the 3rd step.
Answer:
19?
Step-by-step explanation:
maybe i got it right
Answer:
3 km
Step-by-step explanation:
30 divided by 10 is 3.
9 divided by 3 is 3.
Therefore, your answer is 3.
Let arc cos 0 = y
so
cos y = 0
if you need only one value,
then y = pi/2 or 90 degrees.
I think the answer is <u>C</u><u />.
Sorry if I'm wrong...
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