Find the Exact Value of the Given Expression Using a Sum

question 4

Multiple Choice

Find the exact value of the given expression using a sum or difference formula. $$\cos \frac { 17 \pi } { 12 }$$

• A) \(\frac { ( \sqrt { 3 } + 1 ) ( 2 \sqrt { 2 } ) } { 8 }\)
• B) \(\frac { ( - \sqrt { 3 } + 1 ) ( 2 \sqrt { 2 } ) } { 8 }\)
• C) \(\frac { ( \sqrt { 3 } - 1 ) ( 2 \sqrt { 2 } ) } { 8 }\)
• D) \(\frac { ( - \sqrt { 3 } - 1 ) ( 2 \sqrt { 2 } ) } { 8 }\)

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Definitions:

Inventory Costing

Methods used to value and account for inventory, including Specific Identification, FIFO (First-In, First-Out), LIFO (Last-In, First-Out), and Weighted Average.

Conversion Costs

The sum of direct labor and manufacturing overhead costs, representing the costs incurred to convert raw materials into finished products.

First-In, First-Out

A rephrased definition: An accounting method used to value inventory and calculate cost of goods sold, assuming the earliest goods purchased are the first to be sold.

Conversion Costs

Conversion costs are the costs required to convert raw materials into finished products, including labor and overhead.