
130_9.3_notes_quiz
Authored by Fremont Schneider
Mathematics
12th Grade
Used 1+ times

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13 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is the double-angle formula for tan(2θ)?
2 tan θ / (1 - tan² θ)
2 sin θ cos θ
cos² θ - sin² θ
1 - 2sin² θ
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Fill in the blank: The double-angle formula for cos(2θ) can also be expressed as ______.
2 cos² θ - 1
2 sin θ cos θ
1 - 2sin² θ
2 tan θ / (1 - tan² θ)
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Fill in the blank: The identity cos² θ - sin² θ = ______ is used to verify cos(2θ).
2 sin θ cos θ
cos(2θ)
1 - 2sin² θ
2 tan θ / (1 - tan² θ)
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is the value of cos(2θ) if sin θ = 3/5 and θ is in quadrant I?
A) 7/25
B) 24/25
C) -7/25
D) -24/25
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Fill in the blank: The double-angle formula for sin(2θ) is ______.
2 sin θ cos θ
cos² θ - sin² θ
1 - 2sin² θ
2 tan θ / (1 - tan² θ)
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Given that tan θ = -3/4 and θ is in quadrant II, find cos(2θ).
A) 7/25
B) -7/25
C) 24/25
D) -24/25
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