Trigonometric Identities
Flashcard
•
Mathematics
•
10th Grade - University
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the identity for (secθ-1)(secθ+1)?
Back
tan²θ
2.
FLASHCARD QUESTION
Front
What is cscx - cotx equal to?
Back
1 - cosx/sinx
3.
FLASHCARD QUESTION
Front
Prove that 1 + tan²x / (cscx secx) = ?
Back
sinx/cosx
4.
FLASHCARD QUESTION
Front
What is sec²θ - tan²θ?
Back
1
5.
FLASHCARD QUESTION
Front
What is sec18°tan18°cos18°cot18° equal to?
Back
1
6.
FLASHCARD QUESTION
Front
Define secant (secθ).
Back
Secant is the reciprocal of cosine: secθ = 1/cosθ.
7.
FLASHCARD QUESTION
Front
Define cosecant (cscx).
Back
Cosecant is the reciprocal of sine: cscx = 1/sinx.
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