Find the Right Side of the Identity $\frac { \sin s + \sin t } { \sin s + \sin t } = ?$

question 16

Multiple Choice

Find the right side of the identity. $\frac { \sin s + \sin t } { \sin s + \sin t } = ?$

• A) \(\tan \left( \frac { s + t } { 2 } \right)\)
• B) \(\tan ( s - t )\)
• C) \(\sin ( s + t )\)
• D) \[\cot \left( \frac { s + t } { 2 } \right)\]
• E) \(\tan \left( \frac { s - t } { 2 } \right)\)

---

Definitions:

Quality Cost Report

A financial report that outlines the costs associated with ensuring product quality, including prevention, appraisal, and failure costs.

Supervision

Supervision involves overseeing and guiding employees or processes to ensure tasks are completed efficiently and effectively, adhering to standards and achieving objectives.

Prevention Costs

The costs incurred to prevent defects in products or services, including quality planning and training.

Appraisal Costs

The expenses related to ensuring that a product or service meets quality standards, including the costs of inspections, testing, and quality audits.