Solve the problem.Use the fact that tan x = x + 
+ 
+ 
+ . . . for |x| < 
to find the first four terms of the series for ln (cos x).
A. 1 + x2 + 
+ 
+ . . .
B. 
+ 
+ 
+ 
+ . . .
C. - 
D. - 
Answer: D
Mathematics
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Solve the problem using the vector form v = 
[(cos ?)i + (sin ?)j].A boat heads 220° propelled by a force of 600 lb. A wind from 132° exerts a force of 125 lb on the boat. How large is the resultant force, and in what direction is the boat moving? Round the magnitude to the nearest pound and the direction to the nearest degree.
A. 609 lb, 208° B. 652 lb, 208° C. 609 lb, 232° D. 652 lb, 232°
Mathematics
Find the Cartesian coordinates of the given point.
A. 
B. 
C. 
D. 
Mathematics
Find dy/dt.y = 4t(2t + 5)4
A. 4(2t + 5)4(6t + 5) B. 4(2t + 5)3(10t + 5) C. 4(2t + 5)3 D. 4(10t + 5)3
Mathematics
Divide.800 ÷ 80
A. 1000 B. 10 C. 64,000 D. 640
Mathematics