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Chapter 9: Q. 65 (page 604)

Find the direction angle of v for each vector.

v=-33i+3j

Short Answer

Expert verified

The angle of v is 150o.

Step by step solution

01

Step 1. Given information  

We have been given a vector v=-33i+3j.

We have to find its direction.

02

Step 2. Write the formula 

The angle between the vector and complex axisi is given as

伪=tan-1ba

03

Step 3. Substitute the values 

伪=tan-13-33伪=tan-1-13伪=-30o

Since the vector is located in second quadrant, the angle is 150o.

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