Free Printable Келтіру формулалары

1.

tg(2π/3 +α)=?

a)

tgα

b)

-ctgα

c)

ctgα

2.

tg 300^o =?

a)

$-\sqrt{3}$

b)

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

c)

1

3.

ctg 225^o=?

a)

1

b)

$\sqrt{3}$

c)

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

4.

tg( $\pi$ ± a )

a)

tga

b)

-ctga

c)

±ctga

d)

±tga

5.

ctg( $\frac{3\pi}{2}$ ± a )

a)

±ctga

b)

∓tga

c)

-sina

d)

cosa

6.

Негізгі тригонометриялық тепе-теңдік

a)

$\sin^2\alpha+\cos^2\alpha=1$

b)

$\cos^2\alpha-\sin^2\alpha=1$

c)

$\sin^2\alpha=\frac{1-\cos2\alpha}{2}$

d)

$\cos^2\alpha=\frac{1+\cos2\alpha}{2}$

7.

$tg\alpha=?$

a)

$\frac{\cos\alpha}{\sin\alpha}$

b)

$tg\alpha\cdot\operatorname{ctg}\alpha$

c)

$\frac{\sin\alpha}{\cos\alpha}$

d)

$\frac{1}{\cos^2\alpha}$

8.

$\operatorname{ctg}\alpha=?$

a)

$\frac{\cos\alpha}{\sin\alpha}$

b)

$tg\alpha\cdot\operatorname{ctg}\alpha$

c)

$\frac{\sin\alpha}{\cos\alpha}$

d)

$\frac{1}{\cos^2\alpha}$

9.

$\cos\left(180\degree-\alpha\right)$

a)

$\cos\alpha$

b)

$-\sin\alpha$

c)

$-\cos\alpha$

10.

ctg( $2\pi$ ± a )

a)

±cosa

b)

±ctga

c)

sina

d)

-tga

Келтіру формулалары

Total questions: 10

Worksheet time: 3mins

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