Trig Identities
Flashcard
•
Mathematics
•
10th - 12th Grade
•
Practice Problem
•
Hard
+1
Standards-aligned
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
Simplify: (secx-1)(secx+1).
Back
tan²x
2.
FLASHCARD QUESTION
Front
Simplify: sin²θ + cos²θ = ?
Back
1
3.
FLASHCARD QUESTION
Front
What is the Pythagorean identity for sine and cosine?
Back
sin²θ + cos²θ = 1
Tags
CCSS.HSF.TF.C.8
4.
FLASHCARD QUESTION
Front
According to the negative angle identities: cos(-y) = ?
Back
cos(y)
Tags
CCSS.HSF.TF.A.4
5.
FLASHCARD QUESTION
Front
What is the value of sec(θ) in terms of cos(θ)?
Back
sec(θ) = 1/cos(θ)
Tags
CCSS.HSF.TF.A.4
6.
FLASHCARD QUESTION
Front
Simplify: 1 - sin²θ = ?
Back
cos²θ
7.
FLASHCARD QUESTION
Front
What is the relationship between tan(θ) and sin(θ), cos(θ)?
Back
tan(θ) = sin(θ)/cos(θ)
Tags
CCSS.HSF.TF.A.2
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