Express the Product as a Sum Containing Only Sines or Cosines

question 129

Multiple Choice

Express the product as a sum containing only sines or cosines.
- $\sin ( 4 \theta ) \sin ( 6 \theta )$

• A) \(\sin ^ { 2 } \left( 24 \theta ^ { 2 } \right)\)
• B) \(\frac { 1 } { 2 } [ - \cos ( 2 \theta ) - \cos ( 10 \theta ) ]\)
• C) \(\frac { 1 } { 2 } [ \cos ( 2 \theta ) - \cos ( 10 \theta ) ]\)
• D) \(\frac { 1 } { 2 } [ \cos ( 10 \theta ) - \sin ( 2 \theta ) ]\)

---

Definitions:

P-Value

The probability of obtaining test results at least as extreme as the ones observed during the test, assuming the null hypothesis is true.

Capital Punishment

A legal penalty in some jurisdictions where the state executes a person as a punishment for a crime.

Uniformly Distributed

A distribution where all outcomes are equally likely to occur, each observation within a certain range has the same probability.