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YECHIEL

Authored by Yechiel Greenblum

Mathematics

11th Grade

YECHIEL
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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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