Use the appropriate addition formula to find the exact value of the expression.cos 
A. 
+ 
B. 
C. 
- 
D. 
Answer: D
Mathematics
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Write a chain rule formula for the following derivative.
for u = f(r, s, t); r = g(y), s = h(z), t = k(x, z)
A. 
= 
B. 
= 
C. 
= 0
D. 
= 
Mathematics
Draw a sketch to represent each of the following vectors. Refer to the vectors pictured here.
a + d
A. 
B. 
Mathematics
Approximate the circumference of the circle, using 3.14 as an approximation for ?.Round to the nearest thousandth.
A. 3.175 ft B. 7.850 ft C. 19.625 ft D. 15.70 ft
Mathematics
Write the sum of the geometric series as a rational number.0.01 + 0.001 + 0.0001 + 0.00001 + ...
A. 
B. 
C. 0
D. 81
Mathematics