Tuesday

March 31, 2015

March 31, 2015

Posted by **Sam** on Monday, April 23, 2012 at 7:19pm.

u= (6,7)

v= (-3,9)

- trig -
**Damon**, Monday, April 23, 2012 at 7:27pmCould be a dot product (scalar product) or could be a vector product (cross product)

If a dot product then

6*-3 + 7*9 = 45

If a cross product then

i j k

6 7 0

-3 9 0 do determinant

k (6*9 -(7*-3) ) = k (54+21) = 75 in z direction

**Answer this Question**

**Related Questions**

trig - Find the dot product a*b. a= (5,-9), b=(4,-3)

trig - write a product of two trig functions that equals 1.

trig - Find the dot product of u and v u= 3i+7j v= 11i-5j

math - Find the two numbers that multiply to the product number and add to the ...

calculus - Find two unit vectors that make an angle of 60° with v = ‹3, 4›. Give...

math - what is 7-2i in trig form? and if u=3j and v=7i+j what is the dot ...

Math - Using the expression 56xy + 5 -6x + y/20,find the following: a. Find two ...

math - how do you do anarrays and an expanded algorithm problem find each ...

Math Ms. Sue please - 1. What is the product of (-6.8)^2? -13.6 46.24 -46.24 13....

math - find the product of 27*60.then explain how you would use mental math to ...