Complete the Identity $\tan x ( \cot x - \cos x ) =$

question 73

Multiple Choice

Complete the identity.
- $\tan x ( \cot x - \cos x ) =$ ?

• A) \(1 - \sin x\)
• B) \(- \sec ^ { 2 } x\)
• C) 1
• D) 0

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Definitions:

X Chromosomes

are one of the two types of sex chromosomes, present in two copies in females and one in males, carrying genes important for sexual development and other functions.

X-Linked

Gene located on an X chromosome.

Incomplete Dominance

A genetic phenomenon where the phenotype of a heterozygote is intermediate between the phenotypes of the two homozygotes, indicating a blend of the parental traits.

Dominant Allele

An allele that expresses its phenotypic effect even when heterozygous with a recessive allele, masking the effect of the recessive allele in heterozygotes.