Find the Exact Value of the Expression Using the Provided $\tan ( \mathrm { s } - \mathrm { t } )$

question 253

Multiple Choice

Find the exact value of the expression using the provided information.
-Find $\tan ( \mathrm { s } - \mathrm { t } )$ given that $\cos \mathrm { s } = - \frac { 5 } { 13 }$ , with $\mathrm { s }$ in quadrant $\mathrm { II }$ , and $\sin \mathrm { t } = \frac { 8 } { 17 }$ , with $\mathrm { t }$ in quadrant II.

• A) \(\frac { 20 } { 3 }\)
• B) \(- \frac { 140 } { 171 }\)
• C) \(- \frac { 220 } { 171 }\)
• D) \(- \frac { 20 } { 3 }\)

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Definitions:

Service Level

A measure of the quality and performance of a service, often reflecting the degree to which customer expectations are met.

Standard Deviation

A measure of the amount of variation or dispersion in a set of values, indicating how spread out those values are from the mean.

Safety Stock

An additional quantity of an item held in inventory to reduce the risk that the item will be out of stock.

Service Level

A measure of the quality of service provided, often defined by the speed and reliability with which a service is delivered to customers.