Use technology to calculate det A.A = 
A. 16
B. -56
C. -16
D. 176
Answer: C
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Provide an appropriate response.Determine the radian measure of angle ? if sin ? = 0.3812, rounding to the nearest ten-thousandth.
A. 0.3911 rad B. 2.5569 rad C. 22.4080 rad D. 67.5920 rad
Provide an appropriate response.To which of the following sets does - 
belong: natural numbers, whole numbers, integers, rational numbers, irrational numbers, real numbers?
A. Irrational numbers, natural numbers B. Rational numbers, real numbers C. Irrational numbers, real numbers D. Rational numbers, natural numbers
Provide an appropriate response.Write A = 
if A is 2 × 2 and aij = 2i + j.
Fill in the blank(s) with the appropriate word(s).
Find the exact value of the trigonometric function. Do not use a calculator.cot 
A. 
B. 1
C. -1
D. - 