Solve the problem. Snell's Law states that 
Use this law to find the requested value. If 
find 
Round your answer to the nearest degree.
A. ?1 = 51°
B. ?1 = 49°
C. ?1 = 46°
D. ?1 = 48°
Answer: D
Mathematics
You might also like to view...
Use an appropriate identity to find the exact value of the expression.cos 
A. - 
B. 
C. 
D. 
Mathematics
Find the slope and the y-intercept of the line with the given equation.4x + 7y = 55
A. Slope 
; y-intercept 
B. Slope - 
; y-intercept 
C. Slope 
; y-intercept 
D. Slope - 
; y-intercept 
Mathematics
Solve the equation.9y2 + 12y + 4 = 0
A. - 
, - 
B. 
, - 
C. 
, 
D. - 
, - 
Mathematics
Graph the equation by plotting ordered pairs of numbers.2x = y + 8
A. 
B. 
C. 
D. 
Mathematics