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Қарапайым тригонометриялық теңсіздік

Authored by Бакытгул Каюпова

Mathematics

10th Grade

Used 5+ times

Қарапайым тригонометриялық теңсіздік
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6 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 cosx=1\cos x=-1  Теңдеуді шеш:

 π+2πn;  nZ\pi+2\pi n;\ \ n\in Z  

 2πn; nZ2\pi n;\ n\in Z  

 π2+2πn; nZ\frac{\pi}{2}+2\pi n;\ n\in Z  

 π+2πn; nZ-\pi+2\pi n;\ n\in Z  

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 3tg x2=3\sqrt{3}tg\ \frac{x}{2}=-3  

 2π3+2πn; nZ\frac{2\pi}{3}+2\pi n;\ n\in Z  

 π6+πn2; nZ-\frac{\pi}{6}+\frac{\pi n}{2};\ n\in Z  

 2π3+2πn; nZ-\frac{2\pi}{3}+2\pi n;\ n\in Z  

 π3+2πn; nZ-\frac{\pi}{3}+2\pi n;\ n\in Z  

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 cosx<12\cos x<\frac{1}{2}  Теңсіздікті шешіңіз:

 π6+2πn;  π6+2πn; nZ-\frac{\pi}{6}+2\pi n;\ \ \frac{\pi}{6}+2\pi n;\ n\in Z  

 π3+2πn;   π3+2πn; nZ-\frac{\pi}{3}+2\pi n;\ \ \ \frac{\pi}{3}+2\pi n;\ n\in Z  

 π3+2πn;   5π3+2πn; nZ\frac{\pi}{3}+2\pi n;\ \ \ \frac{5\pi}{3}+2\pi n;\ n\in Z  

 π6+2πn;   11π6+2πn ;  nZ\frac{\pi}{6}+2\pi n;\ \ \ \frac{11\pi}{6+2\pi n}\ ;\ \ n\in Z  

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 cosx cos π3sinx sin π3=12\cos x\ \cos\ \frac{\pi}{3}-\sin x\ \sin\ \frac{\pi}{3}=\frac{1}{\sqrt{2}}  Теңдеуді шешіңіз:

 x=π4π3+2πn;  nZx=\frac{\pi}{4}-\frac{\pi}{3}+2\pi n;\ \ n\in Z  

 x=±π4π3+2πn;  nZx=\pm\frac{\pi}{4}-\frac{\pi}{3}+2\pi n;\ \ n\in Z  

 x=π12+2πn; nZx=\frac{\pi}{12}+2\pi n;\ n\in Z  

 x=±π4π3+πn;  nZx=\pm\frac{\pi}{4}-\frac{\pi}{3}+\pi n;\ \ n\in Z  

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 ctg2x=3\operatorname{ctg}2x=\sqrt{3}  Теңдеуді шеш:

 x=π12+πk2;  kZx=\frac{\pi}{12}+\frac{\pi k}{2};\ \ k\in Z  

 x=π6+πk;  kZx=\frac{\pi}{6}+\pi k;\ \ k\in Z  

 x=π12πk;  kZx=-\frac{\pi}{12}\pi k;\ \ k\in Z  

 x=π6+πk;  kZx=\frac{\pi}{6}+\pi k;\ \ k\in Z  

6.

OPEN ENDED QUESTION

3 mins • Ungraded

Қандай тапсырмаларды орындау кезінде қиындықтар туындады? Ашып жаз.

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