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Тригонометричні рівняння

Authored by Настасья Фед

Mathematics

1st Grade

Used 96+ times

Тригонометричні рівняння
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12 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

arcsin (1) =

π6\frac{\pi}{6}

π2\frac{\pi}{2}

π3\frac{\pi}{3}

π\pi

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt


 arccos(12)=\arccos\left(\frac{1}{2}\right)=  

 π3\frac{\pi}{3}  

 π2\frac{\pi}{2}  

 π6\frac{\pi}{6}  

 π4\frac{\pi}{4}  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt


 arctg(1)=ar\operatorname{ctg}\left(-1\right)=  

 π2\frac{\pi}{2}  

 π4\frac{\pi}{4}  

 π4-\frac{\pi}{4}  

 3π4\frac{3\pi}{4}  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt


 arcctg (33)=\operatorname{arcctg}\ \left(-\frac{\sqrt{3}}{3}\right)=  

 π3\frac{\pi}{3}  

 π6\frac{\pi}{6}  

 5π6\frac{5\pi}{6}  

 π6-\frac{\pi}{6}  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Якщо  sin x = a\sin\ x\ =\ a  , тоді  x=x=  

 (1)karcsin(a)+2πk\left(-1\right)^k\arcsin\left(a\right)+2\pi k  

 ±arcsin(a)+πk\pm\arcsin\left(a\right)+\pi k  

 (1)karcsin(a)+πk\left(-1\right)^k\arcsin\left(a\right)+\pi k  

 (1)(k+1)arcsin(a)+πk\left(-1\right)^{\left(k+1\right)}\arcsin\left(a\right)+\pi k  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Якщо  sin x = a\sin\ x\ =\ -a  , тоді  x=x=  

 (1)karcsin(a)+2πk\left(-1\right)^k\arcsin\left(a\right)+2\pi k  

 ±arcsin(a)+πk\pm\arcsin\left(a\right)+\pi k  

 (1)karcsin(a)+πk\left(-1\right)^k\arcsin\left(a\right)+\pi k  

 (1)(k+1)arcsin(a)+πn\left(-1\right)^{\left(k+1\right)}\arcsin\left(a\right)+\pi n  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Якщо  cos x = a\cos\ x\ =\ a  , тоді  x=x=  

 (1)karccos(a)+2πk\left(-1\right)^k\arccos\left(a\right)+2\pi k  

 ±arccos(a)+πk\pm\arccos\left(a\right)+\pi k  

 ±arccos(a)+2πk\pm\arccos\left(a\right)+2\pi k  

 ±arcsin(a)+2πk\pm\arcsin\left(a\right)+2\pi k  

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