Free Printable ტრიგონომეტრია ( I )

1.

$\sin30\degree=$

a)

$\frac{1}{2}$

b)

$\frac{3}{4}$

c)

$\frac{4}{5}$

d)

$\frac{5}{6}$

2.

$\sin90\degree=$

a)

2

b)

3

c)

1

d)

0.5

3.

$\sin60\degree=$

a)

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

b)

$\frac{\sqrt{5}}{4}$

c)

$\frac{\sqrt{7}}{6}$

d)

$\frac{\sqrt{7}}{5}$

4.

$\sin45\degree=$

a)

$\frac{\sqrt{14}}{5}$

b)

$\frac{\sqrt{5}}{4}$

c)

$\frac{\sqrt{3}}{4}$

d)

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

5.

$\cos45\degree=$

a)

$\frac{\sqrt{4}}{6}$

b)

$\frac{\sqrt{3}}{5}$

c)

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

d)

$\frac{\sqrt{7}}{8}$

6.

$\sin135\degree=$

a)

$\sin45\degree$

b)

$\sin50\degree$

c)

$\sin55\degree$

d)

$\sin40\degree$

7.

$\sin\left(180-\alpha\right)=$

a)

$\tan\alpha$

b)

$\cos\alpha$

c)

$\sin\alpha$

d)

$\operatorname{ctg}\alpha$

8.

$\sin\ \left(\alpha+\beta\right)=$

a)

$\sin\alpha\cos\beta+\cos\alpha\sin\alpha$

b)

$\sin\alpha\cos\beta+\cos\alpha\sin\beta$

c)

$\sin\alpha\cos\alpha+\sin\beta\cos\beta$

d)

$\sin\beta\sin\alpha+\cos\beta\cos\alpha$

9.

$\sin75\degree=$

a)

$\sin\left(70\degree+15\degree\right)$

b)

$\sin\left(34\degree+46\degree\right)$

c)

$\sin\left(50\degree+45\degree\right)$

d)

$\sin\left(30\degree+45\degree\right)$

10.

$\sin\left(30\degree+45\degree\right)=$

a)

$\frac{1}{3}\ \times\frac{1}{4\ }\ +\ \frac{1}{4\ }\times\frac{1}{2}$

b)

$\frac{\sqrt{2}}{2}\times\frac{\sqrt{3}}{2}\ +\ \frac{1}{5}\times\frac{\sqrt{3}}{2}$

c)

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

d)

$\frac{1}{3}\times\frac{\sqrt{3}}{4}\ +\ \frac{\sqrt{2}}{2}\times\frac{1}{2}$

ტრიგონომეტრია ( I )

Total questions: 10

Worksheet time: 6mins

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