franzon e zaniboni Quiz: 5 Practice Questions (Grade 6)

5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

cos2 $\beta$ non e uguale a

$\cos^2\beta-\sin^2\beta$

$2\cos\beta$

$\cos\left(-2\beta\right)$

$1-2\sin^2\beta$

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

$\sin\frac{\text{7}}{\text{12}}\pi$

$\frac{\sqrt[]{3}}{2}$

$-\frac{\sqrt[]{3}}{2}$

$\frac{\sqrt[]{2+\sqrt[]{3}}}{2}$

$\frac{\sqrt[]{2}+\sqrt[]{3}}{2}$

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

se $\cos\alpha>0,\ allora\ \sin\alpha>0$

vero

falso

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

se $\cos\alpha>\cos\beta,\ allora\ \alpha>\beta$

vero

falso

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

quanti sono gli angoli compresi tra 0 e 360 che hanno coseno $\frac{1}{2}$

0

1

2

3

4

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franzon e zaniboni

cos2 β\betaβ non e uguale a

sin⁡712π\sin\frac{\text{7}}{\text{12}}\pisin127​π

se cos⁡α>0, allora sin⁡α>0\cos\alpha>0,\ allora\ \sin\alpha>0cosα>0, allora sinα>0

se cos⁡α>cos⁡β, allora α>β\cos\alpha>\cos\beta,\ allora\ \alpha>\betacosα>cosβ, allora α>β

quanti sono gli angoli compresi tra 0 e 360 che hanno coseno 12\frac{1}{2}21​

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Mathematics

cos2 $\beta$ non e uguale a

$\sin\frac{\text{7}}{\text{12}}\pi$

se $\cos\alpha>0,\ allora\ \sin\alpha>0$

se $\cos\alpha>\cos\beta,\ allora\ \alpha>\beta$

quanti sono gli angoli compresi tra 0 e 360 che hanno coseno $\frac{1}{2}$