Trigonometric Identities
Flashcard
•
Mathematics
•
10th - 12th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the Pythagorean identity for sine and cosine?
Back
sin²x + cos²x = 1
2.
FLASHCARD QUESTION
Front
What is the definition of tangent in terms of sine and cosine?
Back
tan x = sin x / cos x
3.
FLASHCARD QUESTION
Front
What is the reciprocal identity for cosecant?
Back
csc x = 1 / sin x
4.
FLASHCARD QUESTION
Front
What is the reciprocal identity for secant?
Back
sec x = 1 / cos x
5.
FLASHCARD QUESTION
Front
What is the reciprocal identity for cotangent?
Back
cot x = 1 / tan x
6.
FLASHCARD QUESTION
Front
What is the relationship between tangent and cotangent?
Back
tan x = 1 / cot x
7.
FLASHCARD QUESTION
Front
What is the identity for secant squared in terms of tangent?
Back
sec²x = 1 + tan²x
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