how to find the resultant?

[coolone_888]

Forces of 67.2lb and 57.3lb are exerted at an angle of 47 degrees. What is their resultant?

[Andrew Mason]

Forces of 67.2lb and 57.3lb are exerted at an angle of 47 degrees. What is their resultant?Show us what you have done first. How do you add these forces?

AM

[coolone_888]

well i know you use c2=a2+b2-2ab cos C. but then im not sure what to do next.

[Andrew Mason]

well i know you use c2=a2+b2-2ab cos C. but then im not sure what to do next.
Draw a vector diagram. Place one vector along the x axis. The other 47 degrees from the axis with its tail on the head of the first. Draw the resultant. What is the component of the second vector in the y direction? What is its component in the x direction? Add the x components to get the x component of the resultant. What is the y component of the resultant?

AM