Wednesday

April 23, 2014

April 23, 2014

Posted by **John** on Sunday, April 18, 2010 at 7:51pm.

- math -
**Reiny**, Sunday, April 18, 2010 at 8:58pmin your notes or in your textbook, I am sure you will find the following two formulas

for any two vectors a and b

1. a•b = |a||b|cosØ where Ø is the angle between them

2. The projection of a onto b is a•b/|b|

sub in the values and go for it.

**Related Questions**

math - Let u = [2,−3, 1] and v = [0, 1, 4]. Calculate the vector u −...

geometry - Let u = [2,−3, 1] and v = [0, 1, 4]. Calculate the vector u &#...

URGENT! Calc - If vector |a| = 12 cm, |b| = 13 cm, and the angle between them ...

trig/math - 3. Draw vectors u and v tail-to-tail so that they make a è-degree ...

math help - Let u = [2,−3, 1] and v = [0, 1, 4]. Calculate the vector u &#...

precalc - If is vector a ia 7 units long, the magnitude of vector b is 10 units ...

Precalc - Suppose vector a is 3 units long, the magnitude of vector b is 1 units...

Math - Can I get some help? 1. If v = (-5, -3), -5 ||v||^2 2. For the following ...

biology - Given the part of the molecule shown below, can the underlined atom ...

Math - The vector a1=(1,1,0) and a2=(1,1,1) span plane in R^3. Find the ...