Find the Phase Shift of the Function $$y = \cos \left( x - \frac { \pi } { 2 } \right)$$

question 64

Multiple Choice

Find the phase shift of the function.
- $$y = \cos \left( x - \frac { \pi } { 2 } \right)$$

• A) \(\frac { \pi } { 2 }\) units up
• B) \(\frac { \pi } { 2 }\) units to the left
• C) \(\frac { \pi } { 2 }\) units down
• D) \(\frac { \pi } { 2 }\) units to the right

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Definitions:

Phenotypic Expression

Phenotypic expression is the observable physical and physiological traits of an organism resulting from the interaction of its genetic makeup with the environment.

Heterozygous

Having two different alleles for a particular gene, one inherited from each parent.

Allelic Form

Variations of a gene that occur in the same place on a chromosome.

Recessive Allele

An allele that produces its characteristic phenotype only when its paired allele is identical.