Find the exact value for the expression.tan 
A. - 
B. - 
C. 
D. 
Answer: D
Mathematics
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Convert the angle in radians to degrees.
A. 210° B. 165° C. 150° D. 160°
Mathematics
Determine whether the statement is true or false.
?
If 
?
A. True B. False
Mathematics
The sizes of two matrices are given. Find the size of the product AB and the size of the product BA, if the given product can be calculated.A is 4 × 4; B is 4 × 4.
A. AB is 1 × 1; BA is 1 × 1. B. AB is 8 × 4; BA is 8 × 4. C. AB is 4 × 8; BA is 4 × 8. D. AB is 4 × 4; BA is 4 × 4.
Mathematics
Determine whether the equation defines y as a function of x.y = x2 - 7
A. Yes B. No
Mathematics