
Công thức lượng giác
Flashcard
•
Mathematics
•
9th - 12th Grade
•
Practice Problem
•
Easy
Vũ Duy Đăng Khôi
Used 3+ times
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20 questions
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1.
FLASHCARD QUESTION
Front
tanα =
Back
sinα∕cosα
2.
FLASHCARD QUESTION
Front
cotα =
Back
cosα∕sinα
3.
FLASHCARD QUESTION
Front
sin²α + cos²α =
Back
1
4.
FLASHCARD QUESTION
Front
tanα.cotα =
Back
1
5.
FLASHCARD QUESTION
Front
1 + tan²α =
Back
1/cos²α
6.
FLASHCARD QUESTION
Front
1 + cot2α =
Back
1/sin2α
7.
FLASHCARD QUESTION
Front
sin(a±b) =
Back
sina.cosb ± cosa.sinb
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