Write the sum or difference as a product containing only sines and/or cosines.cos(6?) + cos(4?)
A. 2 sin(5?) sin ?
B. 2 cos(5?) sin ?
C. 2 cos(5?) cos ?
D. 2 cos(5?)
Answer: C
Mathematics
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Solve the problem.Find the force on one side of a cubical container 5.0 cm on an edge if the container is filled with mercury. The density of mercury is 133 kN/m3.
A. 8300 N B. 1.7 N C. 330 N D. 8.3 N
Mathematics
Use the vertical line test to determine if the graph is a function.
A. Yes B. No
Mathematics
Use the definition to find an expression for the instantaneous velocity of an object moving with rectilinear motion according to the given function relating s (in ft) and t (in s).s = 2t2 - 6t
A. 4t - 6 B. 2t - 6 C. 4t D. 4t2 - 6t
Mathematics
Determine whether the points A, B, C and D form a parallelogram.A(-2, 5); B(1, 6); C(3, -2); D(6, 1)
A. Yes B. No
Mathematics