Find the exact value of the expression.cos 
cos 
+ sin 
sin 
A. 1
B. 
C. 
D. 
Answer: C
Mathematics
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The position vector of a particle is r(t). Find the requested vector.The velocity at t = 0 for r(t) = cos(4t)i + 7ln(t - 5)j - 
k
A. v(0) = -
j
B. v(0) = 
j
C. v(0) = -4i - 
j
D. v(0) = 4i - 
j
Mathematics
Solve the problem.If p > 1 and q > 1, what can be said about the convergence of 
?
A. Always diverges B. Always converges C. May converge or diverge
Mathematics
Graph the function.y = 3 csc x
A. 
B. 
C. 
D. 
Mathematics
Find the slope of the line that passes through the given two points. If the slope is undefined, state this.(6, 5) and (11, -2)
A. - 
B. 
C. Undefined
D. 0
Mathematics