The video tutorial explains how to simplify the expression tangent times cotangent. It begins by discussing the goal of simplification, which is to reduce expressions to a single trigonometric term or a number. The tutorial highlights the reciprocal relationship between tangent and cotangent, showing how cotangent can be rewritten as one over tangent. By multiplying tangent by its reciprocal, the expression simplifies to one. The video provides a clear, step-by-step process for achieving this simplification.

What is the primary goal when simplifying the expression tangent times cotangent?

• To convert it into a polynomial

• To find its derivative

• To express it as a single trigonometric term or a number

• To expand it into multiple terms

What is the relationship between tangent and cotangent?

• They are equal

• They are inverses

• They are reciprocals

• They are unrelated

How can cotangent be rewritten using the reciprocal property?

• As sine over cosine

• As one over tangent

• As tangent squared

• As cosine over sine

What is the result of simplifying tangent times cotangent?

• Zero

• Tangent

• One

• Cotangent

Which of the following is the final simplified version of tangent times cotangent?

• Sine times cosine

• One

• Cotangent squared

• Tangent squared