Verify the Identity $( \tan x + \cot x ) ^ { 2 } = \sec ^ { 2 } x + \csc ^ { 2 } x$

question 57

Essay

Verify the identity. $( \tan x + \cot x ) ^ { 2 } = \sec ^ { 2 } x + \csc ^ { 2 } x$

Identify the cell types responsible for the formation, maintenance, and breakdown of bone and connective tissues.

Understand the role of cells specialized for protection, such as macrophages and mast cells.

Recognize the composition and types of protein fibers in connective tissue.

Describe the properties and functions of the extracellular matrix components in connective tissue.

---

Definitions:

Plant Physiologist

A scientist who studies the physical and chemical functions of plants, including how plants respond to their environment.

Callus Cell

A type of undifferentiated cell that forms during the healing of wounds in plants, also used in tissue culture for plant propagation.

Xylem

The plant's vascular system, tasked with transporting water and nutrients from the roots throughout the plant.

Phloem

The vascular tissue in plants responsible for the transport of nutrients, specifically the sugars produced by photosynthesis, throughout the plant.