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Delta Nova 5 4u Analyse H6 diverse (geen fcs)

Authored by Pedro Tytgat

Mathematics

11th Grade

Used 42+ times

Delta Nova 5 4u Analyse H6 diverse (geen fcs)
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16 questions

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1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

 sinπ6=\sin\frac{\pi}{6}=  

 12\frac{1}{2}  

 22\frac{\sqrt{2}}{2}  

 32\frac{\sqrt{3}}{2}  

Answer explanation

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2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

 sin(α+β)=\sin\left(\alpha+\beta\right)=  

 cosα cosβ+sinα sinβ\cos\alpha\ \cos\beta+\sin\alpha\ \sin\beta  

 cosα cosβsinα sinβ\cos\alpha\ \cos\beta-\sin\alpha\ \sin\beta  

 sinα cosβ+cosα sinβ\sin\alpha\ \cos\beta+\cos\alpha\ \sin\beta  

 sinα cosβcosα sinβ\sin\alpha\ \cos\beta-\cos\alpha\ \sin\beta  

Answer explanation

 sin(α+β)=\sin\left(\alpha+\beta\right)=  
 sinα cosβ+cosα sinβ\sin\alpha\ \cos\beta+\cos\alpha\ \sin\beta  

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

 cosπ4=\cos\frac{\pi}{4}=  

 12\frac{1}{2}  

 22\frac{\sqrt{2}}{2}  

 32\frac{\sqrt{3}}{2}  

Answer explanation

Media Image

4.

MULTIPLE SELECT QUESTION

15 mins • 1 pt

Media Image


 sinπ3=12\sin\frac{\pi}{3}=\frac{1}{2}  ? (Vink aan indien correct.)

 cos7π6=32\cos\frac{7\pi}{6}=-\frac{\sqrt{3}}{2}  ?

 cosπ2=1\cos\frac{\pi}{2}=1  ?

 sinπ4=32\sin\frac{\pi}{4}=\frac{\sqrt{3}}{2}  ?

Answer explanation

 sinπ3=3212\sin\frac{\pi}{3}=\frac{\sqrt{3}}{2}\ne\frac{1}{2}  

 cos7π6=32  !\cos\frac{7\pi}{6}=-\frac{\sqrt{3}}{2}\ \ !  

 cosπ2=01\cos\frac{\pi}{2}=0\ne1  

 sinπ4=2232\sin\frac{\pi}{4}=\frac{\sqrt{2}}{2}\ne\frac{\sqrt{3}}{2}  

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

 sin5π6=\sin\frac{5\pi}{6}=  

 12\frac{1}{2}  

 32-\frac{\sqrt{3}}{2}  

 32\frac{\sqrt{3}}{2}  

 12-\frac{1}{2}  

Answer explanation

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6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

 cos(αβ)=\cos\left(\alpha-\beta\right)=  

 cosα cosβ+sinα sinβ\cos\alpha\ \cos\beta+\sin\alpha\ \sin\beta  

 cosα cosβsinα sinβ\cos\alpha\ \cos\beta-\sin\alpha\ \sin\beta  

 sinα sinβcosα cosβ\sin\alpha\ \sin\beta-\cos\alpha\ \cos\beta  

 sinα cosβ+cosα sinβ\sin\alpha\ \cos\beta+\cos\alpha\ \sin\beta  

Answer explanation

 cos(αβ)=\cos\left(\alpha-\beta\right)=  
 cosα cosβ+sinα sinβ\cos\alpha\ \cos\beta+\sin\alpha\ \sin\beta  

7.

MULTIPLE SELECT QUESTION

15 mins • 1 pt

Media Image


sin4π3=32\sin\frac{4\pi}{3}=-\frac{\sqrt{3}}{2} ? (Vink aan indien correct.)

cos5π6=32\cos\frac{5\pi}{6}=-\frac{\sqrt{3}}{2} ?

sin3π2=1\sin\frac{3\pi}{2}=1 ?

sin3π4=22\sin\frac{3\pi}{4}=\frac{\sqrt{2}}{2} ?

Answer explanation

sin4π3=sin240°=32 !\sin\frac{4\pi}{3}=\sin240°=-\frac{\sqrt{3}}{2}\ \ \ !

cos5π6=cos150°=32 !\cos\frac{5\pi}{6}=\cos150°=-\frac{\sqrt{3}}{2}\ \ !

sin3π2=sin270°=11\sin\frac{3\pi}{2}=\sin270°=-1\ne1

sin3π4=sin135°=22 !\sin\frac{3\pi}{4}=\sin135°=\frac{\sqrt{2}}{2}\ \ !

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