Trigonometry Quiz #2

Assessment

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Adriane Howard

•

Mathematics

•

11th - 12th Grade

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15 plays

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15 questions

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1.

Multiple Choice

5 mins

1 pt

Use Sum or Difference Identities to find the exact value of each expression.
cos(75°)

1/4

√6/4 - √2 / 4

√6 + √2 / 4

-√6/4 - √2 / 4

2.

Multiple Choice

15 mins

1 pt

Find the exact value of the expression.
sin(5π/12)cos(π/4) - cos(5π/12)sin(π/4)

1/2

-1/2

-√(2)/2

√(3)/2

3.

Multiple Choice

15 mins

1 pt

Write the following expression as the sine, cosine, or tangent of an angle.
cos(175)cos(55)+sin(175)sin(55)

sin(120)

cos(120)

cos(230)

sin(230)

4.

Multiple Choice

15 mins

1 pt

Using the first identity, find Sin(180)

2sin(90)cos(90)

2sin(180)cos(180)

sin(90)cos(90)

sin(180)cos(180)

5.

Multiple Choice

15 mins

1 pt

Use the information about the angle θ, 0≤θ<2π to find the exact value of
sin (2θ)
1. sin θ= 3/5 , 0<θ<π/2

24/7

7/25

24/25

1/2

6.

Multiple Choice

15 mins

1 pt

Use the information about the angle θ, 0≤θ<2π to find the exact value of
sin (θ/2)
2. sin θ= 3/5 , 0<θ<π/2

√10/10

24/25

25/7

-7/25

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