Find the Exact Value of the Composition $$\cos ^ { - 1 } \left( \sin \frac { 7 \pi } { 6 } \right)$$

question 29

Multiple Choice

Find the exact value of the composition.
- $$\cos ^ { - 1 } \left( \sin \frac { 7 \pi } { 6 } \right)$$

• A) \(\frac { 2 \pi } { 3 }\)
• B) \(\frac { 4 \pi } { 5 }\)
• C) \(\frac { \pi } { 6 }\)
• D) \(\frac { \pi } { 3 }\)

---

Definitions:

Annual Interest Accrual

The amount of interest that accumulates on a financial obligation over the course of a year.

Bonds Issuance

The process of offering bonds to investors as a means of raising capital for the issuer.

Face Amount

The nominal or dollar value stated on a financial instrument or security, such as the original amount on a bond or insurance policy.

Bond Redemption

The process of repaying the principal amount of a bond at its maturity date.