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Trigonometry and Waves Quiz

Authored by Kimberly Norman

Mathematics

11th Grade

Trigonometry and Waves Quiz
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28 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If cos x = -2/3 and sin x < 0, find sin x.

-√5/9

-5/9

-√5/3

-1/3

-√14/9

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The following graph contains the pure form of a 8 Hz (cycles per second) wave for a time interval of one second. What is the period?

0.125

8

π/4

4π/τ

2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Convert (7π/6) to degrees.

A) 30°

B) 150°

C) 210°

D) -30°

E) 135°

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If f(x) = sin 2x, find f(5π/6).

A) (√3/2)

B) (-√2/2)

C) 0.09

D) (-√3/2)

E) (-1/2)

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Find cot(π/2).

A) 1

B) 0

C) undefined

D) -1

E) None of these

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Calculate cos(π/2 - θ).

A) cos(-θ)

B) sin(θ)

C) sin(-θ)

D) 1 + cos(-θ)

E) None of these

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If you are solving the SSA (side, side, angle) case of a triangle where none of the angles are 90 degrees, how many solutions for the triangle are possible?

A) 0 only

B) 1 only

C) 2 only

D) 0 or 1 only

E) 0, 1 or 2

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