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Simple trig equations with degrees

Simple trig equations with radians

Trigonometric equations with degrees

Trigonometric equations with radians

More difficult trigonometric equations with degrees

More difficult trigonometric equations with radians

Using trig identities to find solutions to equations

Converting to standard form in both positive and negative powers

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Calculating summary statistics.

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Solve for $x$ and $y$:  \[ \begin{eqnarray} a_1x+b_1y&=&c_1\\   a_2x+b_2y&=&c_2 \end{eqnarray} \]

The included video describes a more direct method of solving when, for example, one of the equations gives a variable directly in terms of the other variable.

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Simplify fractions involving the products of factorials.

More work with dividing and multiplying algebraic fractions

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Practice with fractions

Straightforward solving linear equations question

Straightforward solving linear equations question.

Straightforward solving linear equations question

Straightforward solving linear equations question

Straightforward solving linear equations question