Find the Exact Values of the Three Trigonometric Functions Sine,cosine,tangent $a = \frac { 12 } { 13 } , b = \frac { 5 } { 13 }$

question 6

Multiple Choice

Find the exact values of the three trigonometric functions sine,cosine,tangent of the real number t.​ ​ $a = \frac { 12 } { 13 } , b = \frac { 5 } { 13 }$ ​

• A)​ \(\begin{array} { l } \sin t = - \frac { 5 } { 13 } \\\\ \cos t = - \frac { 12 } { 13 } \\\\ \tan t = - \frac { 5 } { 12 } \end{array}\) ​
• B)​ \(\begin{array} { l } \sin t = \frac { 5 } { 13 } \\\\ \cos t = \frac { 12 } { 13 } \\\\ \tan t = \frac { 5 } { 12 } \end{array}\) ​
• C) \(\begin{array} { l } \sin t = \frac { 5 } { 13 } \\\\\ \cos t = - \frac { 12 } { 13 } \\\\ \tan t = - \frac { 5 } { 12 } \end{array}\) ​
• D)​ \(\begin{array} { l } \sin t = \frac { 5 } { 12 } \\\\ \cos t = \frac { 5 } { 13 } \\\\ \tan t = \frac { 12 } { 13 } \end{array}\) ​
• E)​ \(\begin{array} { l } \sin t = \frac { 5 } { 13 } \\ \cos t = - \frac { 12 } { 13 } \\ \tan t = \frac { 5 } { 12 } \end{array}\) ​

---

Definitions:

Incremental Cost

The additional cost associated with producing one extra unit of production or conducting an activity.

Direct Labor

The workforce directly involved in manufacturing a product or delivering a service, whose costs are directly attributable to the product.

Variable Manufacturing

Costs in manufacturing that vary with the level of production output, such as raw materials and labor costs.

Factory Overhead

All indirect costs associated with manufacturing, such as utilities, maintenance, and depreciation of equipment, excluding direct materials and direct labor.