Complete the identity.sin 
cos 
= ?
A. 
cos ?
B. 
C. 
D. 
sin ?
Answer: D
Mathematics
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Find a parametrization for the line segment joining the points.(-6, 3, -5), (0, 3, -7)
A. x = -6t, y = 3t, z = 2t - 7, 0 ? t ? 1 B. x = 6t - 6, y = 3, z = -2t - 5, 0 ? t ? 1 C. x = 6t - 6, y = 3t, z = -2t - 5, 0 ? t ? 1 D. x = -6t, y = 3, z = 2t - 7, 0 ? t ? 1
Mathematics
Match the point in polar coordinates with either A, B, C, or D on the graph.
A. A B. B C. C D. D
Mathematics
Convert the length as indicated.79.20 meters to kilometers
A. 7920 km B. 0.792 km C. 79,200 km D. 0.0792 km
Mathematics
Write an equation for the hyperbola.x-intercepts (±9, 0), foci at (-
, 0), (
, 0)
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Mathematics