Find the value of the trigonometric function.tan 436.5°
A. 0.2401
B. 0.9724
C. 0.2335
D. 4.165
Answer: D
Mathematics
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Solve the problem.Find the sum of the infinite series 1 + 2r + 5r2 + 2r3 + r4 + 2r5 + 5r6 + 2a7 + r8 ... for those values of r for which it converges.
A. 
B. 
C. 
D. 
Mathematics
Solve the system using Gaussian elimination. 4x + y = 8 9x + 5y = 7
A. ? B. {(-4, 3)} C. {(3, -4)} D. {(-4, -3)}
Mathematics
Evaluate the expression using the order of operations.
A. 42 B. 63 C. 105 D. 40
Mathematics
Find the unit vector in the same direction as the given vector.v = 12i - 5j
A. u = 
i - 
j
B. u = 
i - 
j
C. u = 156i - 65j
D. u = 
i - 
j
Mathematics