Secant and Reciprocal Functions

The video tutorial explains reciprocal functions, focusing on the secant function. It covers the conversion of pi over three to 60 degrees and explores the secant function using both 30-60-90 triangles and the unit circle. The tutorial provides two methods to understand the secant of 60 degrees, emphasizing the relationship between secant and cosine.

What is the first step when dealing with reciprocal functions?

• Create a triangle

• Use the unit circle

• Write them as their reciprocals

• Convert them to degrees

What angle is equivalent to pi over three?

• 30 degrees

• 45 degrees

• 60 degrees

• 90 degrees

In a 30-60-90 triangle, what does the secant of 60 degrees represent?

• Adjacent over opposite

• Hypotenuse over adjacent

• Opposite over hypotenuse

• Adjacent over hypotenuse

What is the secant of 60 degrees using the triangle method?

• 1/2

• 2

• 1

• 3/2

How can you find the secant of 60 degrees using the unit circle?

• By finding the x-coordinate

• By using the tangent

• By using the sine

• By finding the y-coordinate

What is the x-coordinate of 60 degrees on the unit circle?

• Square root of 2

• Square root of 3 over 2

• 1/2

• 1

What is the secant of pi over three using the unit circle?

• Square root of 3

• 2

• 1/2

• 1

How do you calculate one divided by one-half?

• Add 1/2

• Divide by 2

• Multiply by 2

• Multiply by 1/2

Which method involves using the x-coordinate of the unit circle?

• Algebraic method

• Graphing method

• Unit circle method

• Triangle method

What is the relationship between secant and cosine?

• Secant is the square of cosine

• Secant is the inverse of cosine

• Secant is the reciprocal of cosine

• Secant is the same as cosine