
YECHIEL
Authored by Yechiel Greenblum
Mathematics
11th Grade

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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
. איזו זהות בסיסית נכונה תמיד?
_sin x + cos x = 1
_sin²x + cos²x = 1
_sin x · cos x = 1
_tan²x − 1 = sec²x
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2. tan x שווה ל-:
_sin x / cos x
_cos x / sin x
_sin x · cos x
_1 / sin x
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3. אם sin x = 5/13 ו-x ברביע הראשון, מה ערך cos x?
_12/13
_13/12
_5/12
_√2/2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4. מהי זהות המשלים עבור sin?
_sin(90° − x) = tan x
_sin(90° − x) = sin x
_sin(90° − x) = cos x
_sin(90° − x) = csc x
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5. sec²x שווה ל-:
_tan²x + 1
_1 + sin²x
_cot²x + 1
_cos²x − sin²x
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
6. cot x שווה ל-:
_cos x / sin x
_sin x / cos x
_1 / tan x
_גם 1 וגם 3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
7. אם cos x = 3/5, מה ערך sec x?
_1/3
_3/5
_√2
_5/3
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