If ϕ = 90° − θ,What Is the Value of Sin²

question 54

Multiple Choice

If ϕ = 90° − θ,what is the value of sin² ϕ + sin² θ?

• A)0
• B)1
• C)−1
• D)​The answer depends on θ.

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Definitions:

Phenotypes

The observable physical or biochemical characteristics of an organism, as determined by both genetic makeup and environmental influences.

Conditional Strategy

A behavioral strategy that varies depending on the conditions or context in which an individual finds itself.

Sexual Selection

A mechanism of evolution where certain traits increase an individual's chance of reproducing by making them more attractive or superior in competition for mates.

Sex Role Reversal

A situation in which the traditional reproductive roles of males and females are exchanged.