Write the Word or Phrase That Best Completes Each Statement $$( \sin x ) ( \tan x \cos x - \cot x \cos x ) = 1 - 2 \cos ^ { 2 } x$$

question 150

Essay

Write the word or phrase that best completes each statement or answers the question.
Establish the identity.
- $$( \sin x ) ( \tan x \cos x - \cot x \cos x ) = 1 - 2 \cos ^ { 2 } x$$

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Definitions:

Gametogenesis

The process by which gametes are produced in the reproductive organs, involving meiosis to produce haploid sex cells.

Haploid Cells

Cells that contain one complete set of chromosomes, typical of gametes (sperm and eggs) in sexually reproducing organisms.

Functional Gametes

Mature sexual reproductive cells (sperm in males and ova in females) that are capable of fusing with another gamete to form a zygote.

Individual's Lifetime

The duration of existence of a living being from birth to death.