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:

Accrued

Describes expenses or revenues that have been incurred but not yet recorded through a payment or receipt, reflecting in accounts payable or receivable.

Deferred

Refers to items or transactions that have been postponed or delayed to a future date.

Cash Basis

An accounting method where revenues and expenses are recognized only when cash is received or paid out, respectively.

Accrual Basis

A financial recording technique that documents income and costs at the time they are generated or incurred, without consideration of when the actual cash transaction occurs.