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Trigonometri analitik

Authored by Alviana Oktary Bahtiar

Mathematics

11th Grade

Used 66+ times

Trigonometri analitik
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20 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

2 mins • 1 pt


 cos⁡2α=....\cos2\alpha=....  

 cos⁡2α−sin⁡2α\cos^2\alpha-\sin^2\alpha  

 1−2sin⁡2α1-2\sin^2\alpha  

 2cos⁡2α−12\cos^2\alpha-1  

 2sin⁡2α−12\sin^2\alpha-1  

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt


 2⋅sin⁡15°⋅cos⁡15°=....2\cdot\sin15\degree\cdot\cos15\degree=....  

 12\frac{1}{2}  

 123\frac{1}{2}\sqrt{3}  

 11  

 00  

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 tan⁡π8=....\tan\frac{\pi}{8}=....  

 2−1\sqrt{2}-1  

 122−3\frac{1}{2}\sqrt{2-\sqrt{3}}  

 122+3\frac{1}{2}\sqrt{2+\sqrt{3}}  

 2+1\sqrt{2}+1  

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 2⋅sin⁡α⋅cos⁡β=....2\cdot\sin\alpha\cdot\cos\beta=....  



 sin⁡(α+β)+sin⁡(α−β)\sin\left(\alpha+\beta\right)+\sin\left(\alpha-\beta\right)  

 sin⁡(α+β)−sin⁡(α−β)\sin\left(\alpha+\beta\right)-\sin\left(\alpha-\beta\right)  

 cos⁡(α+β)+cos⁡(α−β)\cos\left(\alpha+\beta\right)+\cos\left(\alpha-\beta\right)  

 cos⁡(α+β)−cos⁡(α−β)\cos\left(\alpha+\beta\right)-\cos\left(\alpha-\beta\right)  

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 cos⁡A⋅cos⁡B=....\cos A\cdot\cos B=....  



 12{cos⁡(A+B)+cos⁡(A−B)}\frac{1}{2}\left\{\cos\left(A+B\right)+\cos\left(A-B\right)\right\}  

 12{cos⁡(A+B)−cos⁡(A−B)}\frac{1}{2}\left\{\cos\left(A+B\right)-\cos\left(A-B\right)\right\}  

 12{sin⁡(A+B)+sin⁡(A−B)}\frac{1}{2}\left\{\sin\left(A+B\right)+\sin\left(A-B\right)\right\}  

 12{sin⁡(A+B)−sin⁡(A−B)}\frac{1}{2}\left\{\sin\left(A+B\right)-\sin\left(A-B\right)\right\}  

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 sin⁡x⋅sin⁡y=....\sin x\cdot\sin y=....  



 12{cos⁡(x+y)+cos⁡(x−y)}\frac{1}{2}\left\{\cos\left(x+y\right)+\cos\left(x-y\right)\right\}  

 −12{cos⁡(x+y)−cos⁡(x−y)}-\frac{1}{2}\left\{\cos\left(x+y\right)-\cos\left(x-y\right)\right\}  

 12{sin⁡(x+y)+sin⁡(x−y)}\frac{1}{2}\left\{\sin\left(x+y\right)+\sin\left(x-y\right)\right\}  

 12{sin⁡(x+y)−sin⁡(x−y)}\frac{1}{2}\left\{\sin\left(x+y\right)-\sin\left(x-y\right)\right\}  

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

2 cos 2x sin x

Sin 3x - sin x

Sin 2x + cos 4x

Cos 3x - cos x

Cos 2x - sin 4x

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