Verify the Identity $$\cos \left( \frac { 3 \pi } { 2 } - \theta \right) = - \sin \theta$$

question 66

Essay

Verify the identity.
- $$\cos \left( \frac { 3 \pi } { 2 } - \theta \right) = - \sin \theta$$

---

Definitions:

Minimum Viable Product

A product with just enough features to satisfy early customers and provide feedback for future product development.

Entrepreneur

An individual who starts and manages a business venture, taking on financial risks in the hope of profit.

User-Driven Prototype

A preliminary version of a product designed based on the feedback and requirements of its intended users to meet their specific needs.

Ideal Version

The best or most perfect version that something can be, often used as a benchmark or goal for development and improvement.