Write the vector v in the form v1i + v2j, given 
and the angle ? that v makes with the positive x-axis.
= 15, ? = 120°
A. - 
i + 
j
B. 
i - 
j
C. 
i - 
j
D. - 
i + 
j
Answer: D
Mathematics
You might also like to view...
Find the volume of the indicated region.the region in the first octant bounded by the coordinate planes and the surface 
A. 
B. 25,000
C. 
D. 
Mathematics
Use implicit differentiation to find dy/dx and d2y/dx2.x2 - y3 = 4
A. 
= 
; 
= 
B. 
= 
; 
= 
C. 
= 
; 
= 
D. 
= 
; 
= 
Mathematics
Determine whether the statement is true or false.|-6 - (-14)| = |-6| - |-14|
A. True B. False
Mathematics
Solve the equation.|2x - 8| = 7
A. 
B. 
C. 
D. 
Mathematics