# trig

posted by .

find the indicated vector.

let u = (-9,1), v=(-5,9). Find 3u+v

• trig -

3u+v = 3(-9,1) + (-5,9) = (-27,3)+(-5,9) = (-32,12)

## Similar Questions

1. ### jane

1. a centripetal-acceleration addict rides in uniform circular motion with period T=2s and radius r=3m. at t1 his acceleration vector= 6(m/s^2)i + -4(m/s^2)j. At that instant, what are the values of vector b (dot) vector a and vector …
2. ### physics

The drawing shows a force vector vector F that has a magnitude of 600 newtons. It lies at alpha = 67° from the positive z axis, and beta = 31° from the positive x axis. (that's the diagram given) webassign. (delete this space) net/CJ/p1-39alt.gif …
3. ### Trig

Use identities to find indicated values tan (theta)= (12/5), pi <0<3pi/2 Find sin (2theta)
4. ### trig

Use identities to find indicated values tan (theta)= (12/5), pi <0<3pi/2 Find sin (2theta)
5. ### Calculus - Dot Product

consider a rhombus ABCD a) find the resultant of vector AB + vector AD and vector AB - vector AD?
6. ### Math - Trig

Let Vector V(t) = 2pi t î + 2pi t ĵ. Find the vector V(1/3). Where is the vector after the next 1/3s?
7. ### Precalc

Given the plane 3x+2y+5z=54 and the points P0(6, 8, 4)[on plane] and P1(13, 18, 5) [not on plane] A. Find vector n, a vector normal to the plane B. Find vector v from P0 to P1 C. Find the angle between vector n and vector v D. Find …
8. ### math

If vector u = [1,-3,-2] and vector v = [4,-5,3] find: a) |vector u + vector v - 5j | b) Find Q, where P (-7,5,-1] and vector PQ=2(vector u) c)find vector w which is orthogonal to both vector u and vector v
9. ### calculus

State whether or not the following statements are true. Justify your reasoning.?
10. ### Physics

If vector a and b are two non collinear unit vectors and |vector a+ vector b|=√3 then find the value of ( vector a- vector b).(2 vector a+ vector b)

More Similar Questions