Use the given information to find the exact value of the trigonometric function.sin ? = - 
; The terminal side of ? lies in Quadrant IV.
Find sin 
.
A. - 
B. 
C. - 
D. 
Answer: D
Mathematics
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Solve the problem.Find tan ? if sin 
= 
.
A. ± 
B. ± 
C. ± 
D. ± 
Mathematics
Solve. The polynomial x2 + 13x + 42 represents the area of a rectangle. Factor the polynomial.
A. (x + 6)(x + 7) B. (x - 6)(x + 7) C. (x + 6)(x - 7) D. (x - 6)(x - 7)
Mathematics
Round each number to the nearest hundred to estimate the sum or difference.568 - 121
A. 700 B. 400 C. 447 D. 500
Mathematics
Simplify the expression. Express the answer so that only positive exponents occur. Assume that all variables are positive.(9x4y-14)3/2
A. 
B. 27x6y21
C. 
D. 
Mathematics