Use a Calculator to Evaluate the Trigonometric Function $$\tan \frac { \pi } { 5 }$$

question 57

Multiple Choice

Use a calculator to evaluate the trigonometric function. Round your answer to four decimal places. (Be sure the calculator is set in the correct angle mode.) $$\tan \frac { \pi } { 5 }$$

• A)\(\tan \frac { \pi } { 5 } \approx - 0.7265\)
• B) \(\tan \frac { \pi } { 5 } \approx 1.7265\)
• C) \(\tan \frac { \pi } { 5 } \approx 0.7265\)
• D) \(\tan \frac { \pi } { 5 } \approx - 2.7265\)
• E) \(\tan \frac { \pi } { 5 } \approx 2.7265\)

Grasp the significance of bond ratings and their implications for investment quality.

Understand the various risk premiums associated with bond investing.

Comprehend the protective mechanisms for bondholders, including sinking funds and protective covenants.

Learn about special types of bonds (callable, convertible, zero-coupon) and their features.

---

Definitions:

Double Bonds

Chemical bonds between two atoms involving four bonding electrons instead of the usual two, making the bond stronger and the structure more rigid.

Lewis Structure

A graphical representation of the valence electrons of atoms within a molecule, showing how they are arranged and shared to form bonds.

Chloromethane

A colorless, flammable gas with a faintly sweet odor, used in the production of silicones.

Lewis Structure

A diagrammatic representation of the bonding between atoms of a molecule and the lone pairs of electrons in the molecule.