Find the component form of u + v given the lengths of u and v and the angles that u and v make with the positive x-axis. ||u|| = 3, O, = 5 ||v|| = 1, 0, = 3 u + v =
Find the component form of u + v given the lengths of u and v and the angles that u and v make with the positive x-axis. ||u|| = 3, O, = 5 ||v|| = 1, 0, = 3 u + v =
Trigonometry (MindTap Course List)
8th Edition
ISBN:9781305652224
Author:Charles P. McKeague, Mark D. Turner
Publisher:Charles P. McKeague, Mark D. Turner
Chapter8: Complex Numbers And Polarcoordinates
Section: Chapter Questions
Problem 8CLT
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![## Problem Statement
Find the component form of **u + v** given the lengths of **u** and **v** and the angles that **u** and **v** make with the positive x-axis.
### Given Data:
- \( ||\mathbf{u}|| = 3 \), \(\theta_u = 5^\circ\)
- \( ||\mathbf{v}|| = 1 \), \(\theta_v = 3^\circ\)
### Component Form Calculation:
To find the component form of the vector sum **u + v**, we first convert each vector from its magnitude and angle to its component form.
For vector **u**:
- \( \mathbf{u}_x = ||\mathbf{u}|| \cos(\theta_u) \)
- \( \mathbf{u}_y = ||\mathbf{u}|| \sin(\theta_u) \)
For vector **v**:
- \( \mathbf{v}_x = ||\mathbf{v}|| \cos(\theta_v) \)
- \( \mathbf{v}_y = ||\mathbf{v}|| \sin(\theta_v) \)
Then, we sum the corresponding components of **u** and **v** to get **u + v**:
- \( (\mathbf{u} + \mathbf{v})_x = \mathbf{u}_x + \mathbf{v}_x \)
- \( (\mathbf{u} + \mathbf{v})_y = \mathbf{u}_y + \mathbf{v}_y \)
Combining these, we get the component form of **u + v**:
\[ \mathbf{u} + \mathbf{v} = \left( (\mathbf{u} + \mathbf{v})_x, \, (\mathbf{u} + \mathbf{v})_y \right) \]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F63d16113-ff39-4f92-89f8-61ce82bfb495%2F389878da-0943-4b56-b363-b355c7382156%2Fmrwc68_processed.jpeg&w=3840&q=75)
Transcribed Image Text:## Problem Statement
Find the component form of **u + v** given the lengths of **u** and **v** and the angles that **u** and **v** make with the positive x-axis.
### Given Data:
- \( ||\mathbf{u}|| = 3 \), \(\theta_u = 5^\circ\)
- \( ||\mathbf{v}|| = 1 \), \(\theta_v = 3^\circ\)
### Component Form Calculation:
To find the component form of the vector sum **u + v**, we first convert each vector from its magnitude and angle to its component form.
For vector **u**:
- \( \mathbf{u}_x = ||\mathbf{u}|| \cos(\theta_u) \)
- \( \mathbf{u}_y = ||\mathbf{u}|| \sin(\theta_u) \)
For vector **v**:
- \( \mathbf{v}_x = ||\mathbf{v}|| \cos(\theta_v) \)
- \( \mathbf{v}_y = ||\mathbf{v}|| \sin(\theta_v) \)
Then, we sum the corresponding components of **u** and **v** to get **u + v**:
- \( (\mathbf{u} + \mathbf{v})_x = \mathbf{u}_x + \mathbf{v}_x \)
- \( (\mathbf{u} + \mathbf{v})_y = \mathbf{u}_y + \mathbf{v}_y \)
Combining these, we get the component form of **u + v**:
\[ \mathbf{u} + \mathbf{v} = \left( (\mathbf{u} + \mathbf{v})_x, \, (\mathbf{u} + \mathbf{v})_y \right) \]
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