4f Warm up

The video tutorial explores the graphs of cosecant, secant, and cotangent functions, relating them to their reciprocal functions: sine, cosine, and tangent. It covers graphing techniques using the unit circle, identifying asymptotes, and recognizing patterns. The tutorial also discusses transformations and characteristics of these trigonometric functions, emphasizing the importance of understanding reciprocal relationships and discontinuities.

What is the primary focus of the initial section on trigonometric graphs?

• Discussing the applications of trigonometry in real life

• Understanding the graphs of cosecant, secant, and cotangent

• Exploring the unit circle in detail

• Learning about the history of trigonometry

What happens to the graph of a function when it encounters an undefined value?

• It forms a horizontal line

• It creates a vertical asymptote

• It becomes a continuous curve

• It shifts to the right

How is the cosecant function related to the sine function?

• Cosecant is the integral of sine

• Cosecant is the derivative of sine

• Cosecant is the reciprocal of sine

• Cosecant is the square of sine

Which angles have the same reference angle as π/6?

• π/3, 2π/3, 4π/3

• π/2, 3π/2, 5π/2

• π/4, 3π/4, 5π/4

• 5π/6, 7π/6, 11π/6

What is the effect of a vertical stretch on a trigonometric graph?

• It stretches the graph vertically

• It reflects the graph over the x-axis

• It shifts the graph to the left

• It compresses the graph horizontally

What is the period of the cosecant and secant functions?

• π

• 2π

• π/2

• 3π

How do you determine the asymptotes for the cosecant function?

• By finding where tangent is zero

• By finding where cosine is zero

• By finding where cotangent is zero

• By finding where sine is zero

What is the range of the secant function?

• From negative infinity to -1 and 1 to infinity

• From -π to π

• From 0 to 2π

• From -1 to 1

What is the relationship between the range of sine and cosecant functions?

• Cosecant's range is from negative infinity to infinity

• Cosecant's range is the inverse of sine's range

• They have the same range

• Cosecant's range is from -1 to 1

What is the significance of the unit circle in graphing trigonometric functions?

• It is used to measure distances

• It helps in understanding the angles and their coordinates

• It is used to calculate derivatives

• It is a tool for solving algebraic equations