Verify That the Equation Is an Identity $$\cot ( \pi - \theta ) = - \cot \theta$$

question 251

Essay

Verify that the equation is an identity.
- $$\cot ( \pi - \theta ) = - \cot \theta$$

---

Definitions:

Subcutaneous Layer

The layer of tissue directly beneath the skin that contains fat and connective tissue, providing insulation and cushioning for the body.

Subcutaneous Injection

A subcutaneous injection is a method of administering medication under the skin into the fat layer, used for drugs that require slow, sustained release into the blood.

Subcutaneous Layer

The layer of tissue beneath the skin that consists of fat and connective tissue, providing insulation and energy storage.

Albinism

A genetic condition characterized by the absence of pigment in the skin, hair, and eyes, resulting in very light coloring and increased sensitivity to sunlight.