Using Double-Angle Identities

12th Grade

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14 Qs

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Using Double-Angle Identities

Quiz

•

Mathematics

•

12th Grade

•

Easy

•

CCSS

HSF.TF.C.9, HSF.TF.A.2, HSF.TF.A.4

Standards-aligned

Stanley Casie-May

Used 32+ times

FREE Resource

14 questions

Show all answers

MULTIPLE CHOICE QUESTION

2 mins • 2 pts

Using the second identity, find Cos(50)

sin²(25) - cos²(25)

cos²(50) - sin²(50)

cos²(25) - sin²(25)

sin²(50) - cos²(50)

Tags

CCSS.HSF.TF.C.9

MULTIPLE CHOICE QUESTION

2 mins • 2 pts

Using the first identity, find Sin(180)

2sin(90)cos(90)

2sin(180)cos(180)

sin(90)cos(90)

sin(180)cos(180)

Tags

CCSS.HSF.TF.C.9

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Using the third identity, find Cos(40)

2cos² (40) - 1

2cos² (20) - 1

2cos² (20) + 1

2cos² (40) + 1

Tags

CCSS.HSF.TF.C.9

MULTIPLE CHOICE QUESTION

2 mins • 2 pts

Using the fourth identity, find Cos(120)

1-2sin²(120)

1+2sin²(120)

1+2sin²(60)

1-2sin²(60)

Tags

CCSS.HSF.TF.C.9

MULTIPLE CHOICE QUESTION

5 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)

Tags

CCSS.HSF.TF.C.9

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Using the second identity, find Cos(50)

sin²(25) - cos²(25)

cos²(50) - sin²(50)

cos²(25) - sin²(25)

sin²(50) - cos²(50)

Tags

CCSS.HSF.TF.C.9

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Using the third identity, find Cos(40)

2cos² (40) - 1

2cos² (20) - 1

2cos² (20) + 1

2cos² (40) + 1

Tags

CCSS.HSF.TF.C.9

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