Posted by **jake** on Thursday, May 17, 2012 at 7:13pm.

find the angle between vector U=<2,3> and V=<1,-5> answers: 88 degrees, 45 degrees, 135 degrees, or 92 degrees...?

- trig -
**Reiny**, Thursday, May 17, 2012 at 8:07pm
U∘V = |U| |V|cos Ø, where Ø is the angle between

2 - 15 = √13√26cosØ

cosØ = -13/13√2

= -1/√2

Ø = 135°

- trig -
**Maura **, Thursday, April 11, 2013 at 3:06pm
A point on the terminal side of an angle theta is given. Find the exact value of the six trigonometric functions of theta:

(2,-3)

## Answer this Question

## Related Questions

- Math - Four of the angles of a pentagon measure 85 degrees, 110 degrees, 135 ...
- math - find the angle that is coterminal to 525 degrees and lies between 0 ...
- 6th grade math - Which expression could you use to find the measure of an angle ...
- trig - Perform the basic conversion. Give exact answers i)0 degrees = ____ rad ...
- Math - What's the value of the missing angle *picture of a triangle and square ...
- algebra - 90 degress= ? radians How is the answer pie over 2? 330 degrees = ...
- algebra - 90 degress= ? radians How is the answer pie over 2? 330 degrees = ...
- math - A multiple choice answers for the question. What is the measure of the ...
- Math - Which of the following is the measure of an acute angle? A. 180 degrees B...
- Math - One angle of an isosceles triangle is 28°. What are the other 2 angles? (...

More Related Questions