Monday

December 22, 2014

December 22, 2014

Posted by **Gary** on Wednesday, March 31, 2010 at 1:10am.

Find the angle ϴ between the vectors.

u=3i-3j, v=-2i+2√3j

- math -
**drwls**, Wednesday, March 31, 2010 at 9:27amThe magnitude of u is sqrt 18.

The magnitude of v is 4

The dot product of u and v is

u*v = -6 -6sqrt3

= -6(1+sqrt3)

The cosine of the angle between the vectors is

(u*v)/|u||v|

**Answer this Question**

**Related Questions**

Discrete Math - Vectors - Can you please help me correct my answers for the ...

Algebra - Simplify the expressions and solve the equations 1. 2√3 - √...

math - find the angle that is coterminal to 525 degrees and lies between 0 ...

physics - Can you help me with this one also? I know how to do it with 3 vectors...

Math (Geometry-Vectors) - Let θ be the angle between two vectors v and u . ...

Caculus - Find the angle between the vectors. (Round your answer to the nearest ...

Math - 5. Suppose that the volumes of four stars in the Milky Way are 2.7 × 1018...

Math - Find an equation of the line that bisects the obtuse angles formed by the...

math vectors - Find the angle between two vectors. In radians and in degrees. u...

Calculus - For which following condition, will the dot product of two vectors be...