Graph.7x2 + 2y2 = 14
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Provide an appropriate response.The position of a particle is given by r(t) = sin 2t i + cos 4t j. Find the velocity vector for the particle.
A. 2 sin 2t i + 4 cos 4t j B. 2 cos 2t i - 4 sin 4t j C. 2 i + 4 j D. cos 2t i - sin 4t j
Mathematics
Verify the identity.
+ 1 = 2 sin2 ?
What will be an ideal response?
Mathematics
Solve the equation. Round to the nearest thousandth.5(3 - x) = 22
A. {-1.400} B. {3.521} C. {1.079} D. {1.400}
Mathematics
Express the product as a sum containing only sines or cosines.sin(6?) sin(2?)
A. sin2(12?2)
B. 
[sin(8?) + cos(4?)]
C. 
[cos(8?) - cos(4?)]
D. 
[ cos(4?) - cos(8?)]
Mathematics