The correct question is, Why (or when) is it useful to view [math]\cos^2(x)[/math] as a composite function? In calculus, it is useful when taking the derivative of [math]f(x) = \cos^2 x[/math] to recognize that [math]f(x)[/math] is a composition of two functions whose derivatives we (presumably) already know.
In law, fraud is deliberate deception to secure unfair or unlawful gain. Fraud is both a civil wrong (i.e., a fraud victim may sue the fraud perpetrator to avoid the fraud and/or recover monetary compensation) and a criminal wrong (i.e., a fraud perpetrator may be prosecuted and imprisoned by governmental authorities).n common law jurisdictions, as a criminal offence, fraud takes many different forms, some general (e.g., theft by false pretense) and some specific to particular categories of victims or misconduct (e.g., bank fraud, insurance fraud, forgery).
DEFINITION of 'Statute of Frauds'. A legal concept that requires certain types of contracts to be executed in writing. The precise form of the Statute of Frauds varies between jurisdictions, but generally requires a writing for the following types of contracts: (1) Contracts for the sale of land; (2) Contracts for the sale of goods above a certain dollar amount; (3) Contracts that cannot be completed in less than one year; and.