Answer:
Y = acos( X ) returns the Inverse Cosine (cos-1) of the elements of X in radians. The function accepts both real and complex inputs. For real values of X in the interval [-1, 1], acos(X) returns values in the interval [0, π].
Step-by-step explanation:
Answer:
The Domain Is 6 -4 And -7 the Range Is -3 -2 and 3
Answer:
Yes
Step-by-step explanation:
its 20
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