Evaluate the trigonometric function of the given quadrantal angle. If the value is undefined, write "undefined."sin (-19?)
A. 0
B. undefined
C. 1
D. -1
Answer: A
Mathematics
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Provide an appropriate response.Choose the simple inequality for which the solution set using interval notation is correctly written.
A. x < -2 ; (?, -2) B. x < 2 ; [-?, 2] C. x > 2; (2, ?) D. x ? -2; [-2, -?]
Mathematics
Evaluate.(-0.9)3
A. 0.729 B. -7.29 C. 7.29 D. -0.729
Mathematics
Write an equivalent rational expression with the given denominator.
with denominator 4m2
A. 
B. 
C. 
D. 
Mathematics
Tell whether the statement is true or false.Some real numbers are integers.
A. True B. False
Mathematics