Convert the Expression $\cos ^ { 4 } b - \sin ^ { 4 } b$

question 102

Multiple Choice

Convert the expression. $\cos ^ { 4 } b - \sin ^ { 4 } b$

• A)2 cos b
• B) cos 2b
• C) cos b
• D)2 cos 2b
• E) 4 cos b

---

Definitions:

Par Value

The face value of the bond. The payment to the bondholder on the bond’s maturity date.

Ask Price

The lowest price a seller is willing to accept for an asset in the market.

Corporate Bond

A debt security issued by a corporation to raise funding, which offers interest payments to holders until maturity.

Futures Contract

A standardized legal agreement to buy or sell a specific commodity or financial asset at a predetermined price at a specified time in the future.