Two Vectors Have Magnitudes of 10 and 15 $\degree$ The Component of the Longer Vector Along the Line of Them

Multiple Choice

Two vectors have magnitudes of 10 and 15.The angle between them when they are drawn with their tails at the same point is 65 $\degree$ .The component of the longer vector along the line of the shorter is:

A) 0
B) 4.2
C) 6.3
D) 9.1
E) 14