What makes an identity different from an equation?

Exploring Trigonometric Identities: Reciprocals, Ratios & Complements

Interactive Video
•
Mathematics
•
8th - 12th Grade
•
Hard

Olivia Brooks
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Identities are true for negative values.
Identities are only true for positive values.
Identities are true for all values.
Identities are true for specific values.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a reciprocal identity?
tan(θ) = 1/sin(θ)
sec(θ) = 1/cos(θ)
sin(θ) = 1/cos(θ)
cot(θ) = 1/cos(θ)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the reciprocal of sin(θ)?
sec(θ)
tan(θ)
cos(θ)
cosec(θ)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which trigonometric function is defined as opposite over adjacent in a right-angled triangle?
sin(θ)
cot(θ)
cos(θ)
tan(θ)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is tan(θ) in terms of sin(θ) and cos(θ)?
1/cos(θ)
1/sin(θ)
cos(θ)/sin(θ)
sin(θ)/cos(θ)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
At which angles does tan(θ) not exist within the 0 to 360-degree domain?
45 and 135 degrees
90 and 270 degrees
60 and 300 degrees
0 and 180 degrees
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the value of cos(90 degrees)?
0
1
Infinity
Undefined
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