This lesson introduces, proves, and provides examples of the law of cosines.

# The Law of Cosines

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# The Law of Cosines

# Write a Linear Equation to Model the Value of a New TV

# Solve Linear Equations in One Variable (x+a)/b=c and (ax-b)/c=d

# Find 1st Term and d of an Arithmetic Sequence Given the 10th and 19th term (System)

# Find 1st Term and d of an Arithmetic Sequence Given the 10th and 19th term (Pretend)

This video explains of to determine the first term and d of an arithmetic sequence given terms later in the sequence.

# Find the 27th Term of an Arithmetic Sequence Given the first 4 Terms

# Determine a Terms Position in an Arithmetic Sequence

This lesson introduces, proves, and provides examples of the law of cosines.

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This video explains how to write a linear equation the models the value of a tv. The equation is used to determine how long it takes the tv to reach have of its initial value.

This video explains how to solve a linear equation by first clearing the fraction from the equation.

This video explains of to determine the first term and d of an arithmetic sequence given terms later in the sequence.

This video explains how to determine a later term in an arithmetic series given the first few term of the sequence.

This video explains how to determine a terms position in an arithmetic sequence.