삼각법 공식 퀴즈
Authored by 5x2p8w282y apple_user
Mathematics
9th - 12th Grade
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9 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
sin(A+B) = ?
sin A cos B + cos A sin B
sin A cos B - cos A sin B
cos A cos B + sin A sin B
cos A sin B - sin A cos B
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
sin(A-B) = ?
cos A sin B + sin A cos B
sin A cos B + cos A sin B
cos A cos B - sin A sin B
sin A cos B - cos A sin B
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
cos(A+B) = ?
cos A cos B - sin A sin B
sin A cos B + cos A sin B
cos A cos B + sin A sin B
sin A sin B - cos A cos B
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
tg(a + b) = ?
(tga + tgb) / (1 - tga tgb)
(tga - tgb) / (1 - tga tgb)
(tga - tgb) / (1 + tga tgb)
(tga + tgb) / (1 + tga tgb)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ctg(a + b) = ?
(ctga ctgb - 1) / (ctga + ctgb)
(ctgb + ctga) / (ctga ctgb + 1)
(ctga + ctgb) / (ctga ctgb - 1)
(ctga ctgb + 1) / (ctgb - ctga)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
sinA + sinB = ?
sin[(A+B)/2] - cos[(A-B)/2]
cos[(A+B)/2] + sin[(A-B)/2]
2 sin[(A+B)/2] cos[(A-B)/2]
2 cos[(A-B)/2] sin[(A+B)/2]
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
cosA - cosB = ?
sin[(A+B)/2] + cos[(A-B)/2]
2 cos[(A-B)/2] sin[(A+B)/2]
2 sin[(A+B)/2] sin[(A-B)/2]
cos[(A+B)/2] - sin[(A-B)/2]
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