
H- Flashcard Identities (Basic & Sum/Diff)
Flashcard
•
Mathematics
•
9th - 12th Grade
•
Practice Problem
•
Hard
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13 questions
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1.
FLASHCARD QUESTION
Front
What is the Pythagorean identity for sine and cosine?
Back
sin²θ + cos²θ = 1
2.
FLASHCARD QUESTION
Front
What is the relationship between tangent and sine/cosine?
Back
tanθ = sinθ / cosθ
3.
FLASHCARD QUESTION
Front
How do you simplify the expression (1 + tan²θ)?
Back
1 + tan²θ = sec²θ
4.
FLASHCARD QUESTION
Front
What is the cosecant function in terms of sine?
Back
cscθ = 1/sinθ
5.
FLASHCARD QUESTION
Front
What is the cotangent function in terms of sine and cosine?
Back
cotθ = cosθ / sinθ
6.
FLASHCARD QUESTION
Front
What is the secant function in terms of cosine?
Back
secθ = 1/cosθ
7.
FLASHCARD QUESTION
Front
How do you simplify the expression (1 - sin²x)?
Back
1 - sin²x = cos²x
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