Evaluating the Six Trigonometric Functions

Question 1

The amplitude of the function shown in blue is .

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4

Question 2

Which did you include in your response?

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Plot the point (5, –2) and draw a line from the point to the x-axis to make a right triangle.; Use the Pythagorean theorem to find the length of the hypotenuse.; Use the definition of each trigonometric function to find the values.; Determine the appropriate sign for each function, using the fact that the terminal side is in Quadrant IV.

Question 3

The function rule y = cos(x) + 2 describes graph shown here.

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b

Question 4

The function rule y = –0.5cos(x) – 3 describes graph shown.

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c

Question 5

The amplitude is .

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0.75

Question 6

The amplitude of the function shown in green is .

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3

Question 7

An equation for this function is .

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y = 0.75cos(x)

Question 8

Based on these results, changing the sign of a the maximum and minimum values of the graph of y = asin(x).

Revolt · Accepted Answer

has no effect on

Evaluating the Six Trigonometric Functions Answers

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