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Trigonometric expressions, identities, and equations
Flashcard
•
Mathematics
•
11th Grade
•
Practice Problem
•
Hard
Wayground Content
FREE Resource
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the definition of sine (sin) in a right triangle?
Back
The sine of an angle is the ratio of the length of the opposite side to the length of the hypotenuse.
2.
FLASHCARD QUESTION
Front
What is the definition of cosine (cos) in a right triangle?
Back
The cosine of an angle is the ratio of the length of the adjacent side to the length of the hypotenuse.
3.
FLASHCARD QUESTION
Front
What is the definition of tangent (tan) in a right triangle?
Back
The tangent of an angle is the ratio of the length of the opposite side to the length of the adjacent side.
4.
FLASHCARD QUESTION
Front
What is the Pythagorean identity?
Back
5.
FLASHCARD QUESTION
Front
What is the reciprocal identity for sine?
Back
6.
FLASHCARD QUESTION
Front
What is the reciprocal identity for cosine?
Back
7.
FLASHCARD QUESTION
Front
What is the reciprocal identity for tangent?
Back
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