Learn how to convert polar equation to rectangular

The video tutorial guides viewers on setting their calculators to polar mode and explains how to handle secant functions by relating them to cosine. It further elaborates on the reciprocal nature of secant and cosine and concludes with interpreting the graph of R cosine Theta as a vertical line.

What mode should you set your calculator to when following along with the tutorial?

• Scientific mode

• Polar mode

• Cartesian mode

• Graphing mode

Which function is the reciprocal of secant?

• Tangent

• Cosine

• Cosecant

• Sine

What is the result of multiplying secant by cosine?

• Zero

• One

• Undefined

• Infinity

What does the cosine of theta represent in terms of coordinates?

• W-coordinate

• Z-coordinate

• Y-coordinate

• X-coordinate

What geometric shape is described by the equation involving secant and cosine?

• Parabola

• Vertical line

• Circle

• Horizontal line