CHAPTER 9 KEY FORMULAS AND EQUATIONS
|
Vector addition by components |
Ax = A cos θAy = A sin θ (9.1)
R = R2x + R2y−−−−−−−√ (9.2)
θref = tan − 1| Ry| | Rx| (9.3) |
|
Law of sines |
asin A = bsin B = csin C (9.8) |
|
Law of cosines |
a2 = b2 + c2 − 2bccos Ab2 = a2 + c2 − 2accos Bc2 = a2 + b2 − 2abcos C (9.13) |
..................Content has been hidden....................
You can't read the all page of ebook, please click
here login for view all page.