Free Printable valori delle funzioni goniometriche e angoli associati

1.

$sen\left(-\alpha\right)+sen\left(\pi-\alpha\right)=?$

a)

$sen\alpha$

b)

$\cos\alpha$

c)

$0$

d)

$1$

2.

$\cos\left(\frac{3}{2}\pi-\alpha\right)=$

a)

$sen\alpha$

b)

$\cos\alpha$

c)

$-sen\alpha$

d)

$-\cos\alpha$

3.

$\cos\left(\pi-\alpha\right)=$

a)

$sen\alpha$

b)

$\cos\alpha$

c)

$-sen\alpha$

d)

$-\cos\alpha$

4.

$\cos\left(\pi+\alpha\right)=$

a)

$sen\alpha$

b)

$\cos\alpha$

c)

$-sen\alpha$

d)

$-\cos\alpha$

5.

$\cos\left(4\pi-\alpha\right)=$

a)

$sen\alpha$

b)

$\cos\alpha$

c)

$-sen\alpha$

d)

$-\cos\alpha$

6.

$tg\left(\pi-\alpha\right)=$

a)

$tg\alpha$

b)

$\frac{1}{tg\alpha}$

c)

$-tg\alpha$

d)

$-\cos\alpha$

7.

$tg\left(\frac{\pi}{2}+\alpha\right)=$

a)

$tg\alpha$

b)

$-\frac{1}{tg\alpha}$

c)

$-tg\alpha$

d)

$\operatorname{ctg}\alpha$

8.

$sen\left(\frac{3}{4}\pi\right)=?$

a)

$\frac{\sqrt{2}}{2}$

b)

$-\frac{\sqrt{2}}{2}$

c)

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

d)

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

9.

$\cos\left(\frac{5}{4}\pi\right)=?$

a)

$\frac{\sqrt{2}}{2}$

b)

$-\frac{\sqrt{2}}{2}$

c)

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

d)

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

10.

$tg\left(\frac{5}{6}\pi\right)=?$

a)

$\frac{\sqrt{3}}{3}$

b)

$-\frac{\sqrt{3}}{3}$

c)

$\sqrt{3}$

d)

$-\sqrt{3}$

11.

Quale tra le seguenti funzioni è pari

a)

$\tan\left(x\right)$

b)

$\sin\left(x\right)$

c)

$\cos\left(x\right)+\sin\left(x\right)$

d)

$\cos\left(x\right)$

12.

La seconda relazione goniometrica fondamentale riguarda la tangente. In particolare la tangente dell'angolo $\alpha$ è

a)

è l'ascissa del punto T

b)

l'ascissa del punto P

c)

l'ordinata del punto T

d)

l'ordinata del punto P

13.

$\sin\left(-\frac{\pi}{3}\right)=...$

a)

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

b)

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

c)

$-\frac{1}{2}$

d)

$\frac{1}{2}$

14.

$\cos\left(-\ \frac{\pi}{6}\right)=...$

a)

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

b)

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

c)

$-\frac{1}{2}$

d)

$\frac{1}{2}$

15.

$sen\left(\pi\right)+\cos\left(\pi\right)+tg\left(\pi\right)=?$

a)

$1$

b)

$-1$

c)

$0$

d)

$2$

16.

$sen\left(\frac{\pi}{4}\right)+\cos\left(\frac{\pi}{4}\right)+tg\left(\frac{\pi}{4}\right)=?$

a)

$\sqrt{2}$

b)

$\sqrt{2}+1$

c)

$\sqrt{2}-1$

d)

$-1$

17.

sen(60°)+cos(30°)=?

a)

$\sqrt{2}$

b)

$\sqrt{3}$

c)

$2$

d)

$2\sqrt{2}$

18.

$sen\left(\frac{5}{6}\pi\right)+2\cdot\cos\left(\frac{7}{6}\pi\right)=?$

a)

$\frac{1}{2}+\sqrt{3}$

b)

$1-\sqrt{3}$

c)

$1+\sqrt{3}$

d)

$\frac{1}{2}-\sqrt{3}$

19.

tg(-x)

a)

cotgx

b)

-cotgx

c)

tgx

d)

-tgx

valori delle funzioni goniometriche e angoli associati

Total questions: 19

Worksheet time: 14mins

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