Trig. Identities
Flashcard
•
Mathematics
•
11th - 12th Grade
•
Hard
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the reciprocal function of sin(x)?
Back
csc(x)
2.
FLASHCARD QUESTION
Front
What is the reciprocal function of cos(x)?
Back
sec(x)
Tags
CCSS.HSF.BF.B.3
3.
FLASHCARD QUESTION
Front
What is the reciprocal function of tan(x)?
Back
cot(x)
Tags
CCSS.HSF.TF.A.2
4.
FLASHCARD QUESTION
Front
What is the Pythagorean identity involving sin and cos?
Back
sin²(x) + cos²(x) = 1
Tags
CCSS.HSF.TF.C.8
5.
FLASHCARD QUESTION
Front
What is the Pythagorean identity involving tan and sec?
Back
tan²(x) + 1 = sec²(x)
Tags
CCSS.HSF.TF.C.8
6.
FLASHCARD QUESTION
Front
What is the Pythagorean identity involving cot and csc?
Back
1 + cot²(x) = csc²(x)
Tags
CCSS.HSF.TF.C.8
7.
FLASHCARD QUESTION
Front
What is the definition of sec(x)?
Back
sec(x) = 1/cos(x)
Tags
CCSS.HSF.TF.A.2
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