The figure below is a right triangle with side lengths a, b, and c. Suppose that m L A does not equal m 2 B. a Complete the following. Part 1: In AABC, LA and 4B are (Choose one) Part 2: Use a, b, and c to fill in the blanks. Make sure to use the appropriate upper-case or lower-case letters. sin.A cos.A sinB cos B %3!

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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**Part 1:** In \( \triangle ABC \), \( \angle A \) and \( \angle B \) are (Choose one)

**Part 2:** Use \( a, b, \) and \( c \) to fill in the blanks.  
Make sure to use the appropriate upper-case or lower-case letters.

\[ \sin A = \quad \qquad \cos A = \]  
\[ \sin B = \quad \qquad \cos B = \]

**Part 3:** Select **all** of the true statements.
- [ ] \( \sin A = \sin B \)
- [ ] \( \cos A = \sin B \)
- [ ] \( \sin A = \cos B \)
- [ ] \( \cos A = \cos B \)
- [ ] None of the above is true.

**Part 4:** Fill in the blank.

\[ \cos(37^\circ) = \sin (\square ^\circ) \]
Transcribed Image Text:**Part 1:** In \( \triangle ABC \), \( \angle A \) and \( \angle B \) are (Choose one) **Part 2:** Use \( a, b, \) and \( c \) to fill in the blanks. Make sure to use the appropriate upper-case or lower-case letters. \[ \sin A = \quad \qquad \cos A = \] \[ \sin B = \quad \qquad \cos B = \] **Part 3:** Select **all** of the true statements. - [ ] \( \sin A = \sin B \) - [ ] \( \cos A = \sin B \) - [ ] \( \sin A = \cos B \) - [ ] \( \cos A = \cos B \) - [ ] None of the above is true. **Part 4:** Fill in the blank. \[ \cos(37^\circ) = \sin (\square ^\circ) \]
### Right Triangle Trigonometry Exercise

#### Description
The diagram illustrates a right triangle labeled \( \triangle ABC \) with sides \( a \), \( b \), and \( c \). Angle \( C \) is marked as the right angle.

#### Instructions
- **Part 1**: Identify the type of angles \( \angle A \) and \( \angle B \) in \( \triangle ABC \).
  
- **Part 2**: Complete the following trigonometric identities using sides \( a \), \( b \), and \( c \). Ensure to use the correct upper-case or lower-case letters.

  \[
  \sin A = \quad \quad \cos A = 
  \]

  \[
  \sin B = \quad \quad \cos B = 
  \]

### Graph/Diagram Explanation
- **Triangle \( \triangle ABC \):**
  - **Sides:**
    - \( AB = c \)
    - \( AC = b \)
    - \( BC = a \)
  - **Right Angle at \( C \):**
    - This is indicated by the small square at \( \angle C \).

#### Considerations
- Recall that the sine of an angle in a right triangle is the ratio of the opposite side to the hypotenuse.
- The cosine of an angle is the ratio of the adjacent side to the hypotenuse.
- Apply these definitions to complete the expressions using the given side lengths.
Transcribed Image Text:### Right Triangle Trigonometry Exercise #### Description The diagram illustrates a right triangle labeled \( \triangle ABC \) with sides \( a \), \( b \), and \( c \). Angle \( C \) is marked as the right angle. #### Instructions - **Part 1**: Identify the type of angles \( \angle A \) and \( \angle B \) in \( \triangle ABC \). - **Part 2**: Complete the following trigonometric identities using sides \( a \), \( b \), and \( c \). Ensure to use the correct upper-case or lower-case letters. \[ \sin A = \quad \quad \cos A = \] \[ \sin B = \quad \quad \cos B = \] ### Graph/Diagram Explanation - **Triangle \( \triangle ABC \):** - **Sides:** - \( AB = c \) - \( AC = b \) - \( BC = a \) - **Right Angle at \( C \):** - This is indicated by the small square at \( \angle C \). #### Considerations - Recall that the sine of an angle in a right triangle is the ratio of the opposite side to the hypotenuse. - The cosine of an angle is the ratio of the adjacent side to the hypotenuse. - Apply these definitions to complete the expressions using the given side lengths.
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