Duplicate of Periodic Trigonometric Functions Flashcards

1

The equation y = tan 2x has what period?

2π/3
π/4
π/2
π/3

2

What is the interval of this sine curve?

[0, π/3]
[0, π/6]
[0, π/4]
[0, 2π/3]

3

What is the equation of this sinusoid?

y = 2cos 3x
y = 2sin 3x
y = 2tan 1.5x
y = 2sin 4x

4

The equation y = 3cos 2(x + π/3) has what phase shift?

π/3
-60 degrees
3
π

5

Convert ^3π/₄ into degrees.

1350
3150
2250
2400

6

What is the equation of this sinusoid?

y = sin 2x
y = cos 4x
y = cos 2x
y = sin 4x

7

sin (60 degrees) has what exact answer?

MATHguide.com, yeah!
sqrt(2)/2
sqrt(3)/2
2

8

cos (45 degrees) has what exact answer?

sqrt(2)
1
sqrt(3)/2
sqrt(2)/2

9

What is the exact answer to cos^-1 (- 1/2) ?

60 degrees
30 degrees
135 degrees
120 degrees

10

The equation y = -2 cos 3x has what amplitude?

-2
2
-3
3

11

What is the amplitude and period of this curve?

Amp: 3; Period: π/2
Amp: 3; Period: π
Amp: 6; Period: π/2
Amp: -3; Period: π

12

If cos θ = ^-3/₅ in Quadrant III, calculate the sin θ.

4/10
4/5
-4/5
3/10

13

cos (150 degrees) has what exact answer?

- 1/2
sqrt(3)/2
- sqrt(3)/2
1/2

14

What is the exact answer to sin^-1 (1/2) ?

60 degrees
45 degrees
30 degrees

15

The equation y = 5sin 4(x - 20) has what amplitude?

4
π/2
5
20

16

For the angle whose terminal point is (6,-8), calculate the sine of the angle.

-4/5
-8/6
-10/8
-3/5

17

Convert 270⁰ to radians.

2π/5
2π/3
3π/5
3π/2

18

What is the equation of this sinusoid?

This is not a sinusoid!
y = 4sin 5x
y = tan 2.5x
y = 4cos 5(x + 10)

Duplicate of Periodic Trigonometric Functions

Questions 18

Duplicate of Periodic Trigonometric Functions

Questions 18