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 should you change your calculator to in order to follow along?

• Degree mode

• Radian mode

• Polar mode

• Cartesian mode

What is the relationship between secant and cosine?

• They are the same

• Secant is the reciprocal of cosine

• Cosine is the reciprocal of secant

• They are unrelated

What happens when you multiply secant by cosine?

• It equals zero

• It equals one

• It equals two

• It equals infinity

What does the cosine of Theta represent in this context?

• Y

• Z

• X

• W

Describe the graphical representation of the cosine function as mentioned in the text.

• A horizontal line

• A vertical line

• A diagonal line

• A circular line