Multiply and simplify.
? 
A. 1
B. 
C. -1
D. 0
Answer: A
Mathematics
You might also like to view...
Find the center of mass of the wire that lies along the curve r and has density ?.r(t) = (2 cos 3t)i +(2 sin 3t) j + 6tk, 0 ? t ? 2?; ?(x, y, z) = 2(1 + sin 3t cos 3t)
A. 
B. 
C. 
D. 
Mathematics
Find the length of the third side of the right triangle. Where appropriate, give both an exact answer and an approximation to three decimal places. 
A. 16
B. 
? 11.314
C. 
? 13.856
D. 8
Mathematics
Find the zero of the linear function.f(x) = 20 + x
A. 1
B. -20
C. 20
D. 
Mathematics
Solve the problem.Find the velocity function v(t) if s(t) = 
.
A. 
B. 
C. 
D. 
Mathematics