trig

[iamthor41]

Vector R has length 9.00 cm at 40.0°. Find its x- and y- components

 

[masters]

Vector R has length 9.00 cm at 40.0°. Find its x- and y- components

Hi iamthor41,

\(\displaystyle \cos 40^{\circ}=\frac{x-\text{component}}{9}\)

\(\displaystyle \sin40^{\circ}=\frac{y-\text{component}}{9}\)

 

[iamthor41]

Do I not multiply the results from cos 40 and sin 40 by 9?

 

[masters]

Do I not multiply the results from cos 40 and sin 40 by 9?

Yes, that would be correct.