Use the Fundamental Identities to Simplify the Expression $$\sin ^ { 2 } \theta + \tan ^ { 2 } \theta + \cos ^ { 2 } \theta$$

question 149

Multiple Choice

Use the fundamental identities to simplify the expression.
- $$\sin ^ { 2 } \theta + \tan ^ { 2 } \theta + \cos ^ { 2 } \theta$$

• A) \(\cos ^ { 3 } \theta\)
• B) \(\tan ^ { 2 } \theta\)
• C) \(\sin \theta\)
• D) \(\sec ^ { 2 } \theta\)

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Definitions:

Perpetual Inventory System

An approach to inventory accounting that directly records transactions of inventory sales or purchases through the use of computerized point-of-sale and enterprise asset management software.

Gross Method

An accounting method for recording purchases at the gross invoice amount before any trade discounts are deducted.

Merchandise Return

Goods returned to the seller from the buyer, often due to defects, dissatisfaction, or other reasons, impacting revenue and inventory levels.

General and Administrative Expenses

Costs related to the overall operations of a company that are not tied directly to a specific functional area like production or sales.