Trigonometria - Reduções

Trigonometria - Reduções

11th - 12th Grade

11 Qs

quiz-placeholder

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Trigonometria - Reduções

Trigonometria - Reduções

Assessment

Quiz

Mathematics

11th - 12th Grade

Practice Problem

Hard

Created by

Ana Mota

Used 8+ times

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11 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 cos(11π)=\cos\left(11\pi\right)=  

 1-1  

 11  

 00  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 cos(26π)=\cos\left(26\pi\right)=  

 1-1  

 11  

 00  

3.

MULTIPLE SELECT QUESTION

1 min • 1 pt

 cos(5π6)=\cos\left(\frac{5\pi}{6}\right)=  

 cos(π6)\cos\left(\frac{\pi}{6}\right)  

 cos(π6)-\cos\left(\frac{\pi}{6}\right)  

 cos(ππ6)\cos\left(\pi-\frac{\pi}{6}\right)  

 cos(π+π6)\cos\left(\pi+\frac{\pi}{6}\right)  

4.

MULTIPLE SELECT QUESTION

1 min • 1 pt

 sin(3π4)=\sin\left(\frac{3\pi}{4}\right)=  

 sin(π4)\sin\left(\frac{\pi}{4}\right)  

 sin(π4)-\sin\left(\frac{\pi}{4}\right)  

 sin(ππ4)\sin\left(\pi-\frac{\pi}{4}\right)  

 sin(π+π4)\sin\left(\pi+\frac{\pi}{4}\right)  

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 sin(15π2)=\sin\left(\frac{15\pi}{2}\right)=  

 1-1  

 11  

 00  

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 sin(2πα)=\sin\left(2\pi-\alpha\right)=  

 sinα-\sin\alpha  

 sinα\sin\alpha  

 sin(πα)\sin\left(\pi-\alpha\right)  

 cosα\cos\alpha  

7.

MULTIPLE SELECT QUESTION

1 min • 1 pt

 tan(3π4α)=\tan\left(3\pi-4\alpha\right)=  

 tan(4α)-\tan\left(4\alpha\right)  

 tan(π4α)\tan\left(\pi-4\alpha\right)  

  tan(4α)\tan\left(4\alpha\right)  

 4tanα4\tan\alpha  

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