What is the sine function's value at 90 degrees?

The value of $$\text{sin}(90)$$ is 1.

What is the period of the function $$y=\text{sin}(bx)$$ ?

The period is given by $$\frac{2\text{π}}{b}$$ .

What is the amplitude of the function $$y=a\text{sin}(bx)$$ ?

The amplitude is the absolute value of $$a$$ .

How do you find the reference angle for an angle in standard position?

To find the reference angle, subtract the angle from 180 degrees if it's in the second quadrant, or from 360 degrees if it's in the fourth quadrant.

What is the cosine of 180 degrees?

The value of $$\text{cos}(180)$$ is -1.

What is the sine of 270 degrees?

The value of $$\text{sin}(270)$$ is -1.

What is the general form of a sinusoidal function?

The general form is $$y=a\text{sin}(b(x-c))+d$$ , where $$a$$ is the amplitude, $$b$$ affects the period, $$c$$ is the horizontal shift, and $$d$$ is the vertical shift.

CPM Test 6 (V12) Circular Trig 24-25 (Q15) Flashcards

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the equation for the graph of a cosine function that is reflected over the x-axis and has a frequency of 2?

Back

2.

FLASHCARD QUESTION

Front

How do you convert degrees to radians?

Back

3.

FLASHCARD QUESTION

Front

What is the reference angle for an angle of -945 degrees?

Back

The reference angle is 45 degrees.

4.

FLASHCARD QUESTION

Front

Back

The variable 'd' represents the vertical shift of the graph.

5.

FLASHCARD QUESTION

Front

How do you convert radians to degrees?

Back

6.

FLASHCARD QUESTION

Front

Back

7.

FLASHCARD QUESTION

Front

What is the cosine function's value at 0 degrees?

Back

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