Find the Exact Value Of $\sec \left( - \frac { 5 \pi } { 2 } \right)$

question 57

Multiple Choice

Find the exact value of $\sec \left( - \frac { 5 \pi } { 2 } \right)$ and $\csc \left( - \frac { 7 \pi } { 2 } \right)$

• A) \(\sec \left( - \frac { 5 \pi } { 2 } \right) = 0 , \csc \left( - \frac { 7 \pi } { 2 } \right) = 1\)
• B) \(\sec \left( - \frac { 5 \pi } { 2 } \right) = 0 , \csc \left( - \frac { 7 \pi } { 2 } \right) = - 1\)
• C) \(\sec \left( - \frac { 5 \pi } { 2 } \right) = 1 , \csc \left( - \frac { 7 \pi } { 2 } \right) = \text { undefined }\)
• D) \(\sec \left( - \frac { 5 \pi } { 2 } \right) = \text { undefined, } \csc \left( - \frac { 7 \pi } { 2 } \right) = 1\)
• E) none of these

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Definitions:

Depreciation Expense

The allocated amount of an asset's cost over its useful life, reflecting the consumption or wear and tear of the asset.

Acquisition Cost

The total cost associated with acquiring a new asset or company, including purchase price and all other expenses.

Interest Costs

Interest costs refer to the expenses incurred by borrowing funds, represented as the cost of the interest payments on debt.