Use a calculator to find the value of the trigonometric expression to four decimal places.sin 78°
A. 0.9511
B. 0.2079
C. 0.7431
D. 0.9781
Answer: D
Mathematics
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Use the theorem that relates the sum of degrees to the number of edges to determine the number of edges in the graph.A graph with 5 vertices, three of degree 2 and two of degree 1.
A. 3 edges B. 8 edges C. 7 edges D. 4 edges
Mathematics
Use integration by parts to establish a reduction formula for the integral.
A. 
= 
- 
B. 
= - 
+ 
C. 
= - 
+ 
D. 
= - axn e-ax + na 
Mathematics
Find the slope and the y-intercept of the line with the given equation.2x + y = -4
A. m = - 
; y-intercept = - 2
B. m = - 
; y-intercept = - 
C. m = 2; y-intercept = -4
D. m = -2; y-intercept = -4
Mathematics
Simplify the expression.(5 - 5
)(4 - 5
)
A. 50
B. 95 - 45
C. 20 - 20
D. 245 - 45
Mathematics