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IDENTITAS TRIGONOMETRI

Authored by FX Rusgianto

Mathematics

10th Grade

Used 156+ times

IDENTITAS TRIGONOMETRI
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15 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

1+ tan2x =

sec2 x

cosec2 x

sec x

sinx

cos x

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 cosθ1 sinθ =....\frac{\cos\theta}{1\ -\sin\theta}\ =....  

 1sinθcosθ\frac{1-\sin\theta}{\cos\theta}  

 1+sinθcosθ\frac{1+\sin\theta}{\cos\theta}  

 1+cosθsinθ\frac{1+\cos\theta}{\sin\theta}  

 1  cosθsinθ\frac{1\ -\ \cos\theta}{\sin\theta}  

 1sinθsinθ\frac{1-\sin\theta}{\sin\theta}  

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 1 +secαtanα+sinα =...\frac{1\ +\sec\alpha}{\tan\alpha+\sin\alpha}\ =...  

 secα\sec\alpha  

 sinα\sin\alpha  

 1sinα\frac{1}{\sin\alpha}  

 cosecα\operatorname{cosec}\alpha  

 cosα\cos\alpha  

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 (1sin2α)(1+tan2α) =..\left(1-\sin^2\alpha\right)\left(1+\tan^2\alpha\right)\ =..  

 1+cos2x1+\cos^2x  

 sin2αcos2α\sin^2\alpha-\cos^2\alpha  

 1+sin2α1+\sin^2\alpha  

2

1

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Bentuk sederhana dari  1 sin2 A2 cos2A\frac{1\ -\sin^2\ A}{2\ \cos^2A}  adalah ....

 tan2A\tan^2A  

 cot 2A\cot\ ^2A  

 12\frac{1}{2}  

 12tan2A\frac{1}{2}\tan^2A  

 12cot2A\frac{1}{2}\cot^2A  

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 sin x1  cos x+sin x1+cos x =...\frac{\sin\ x}{1\ -\ \cos\ x}+\frac{\sin\ x}{1+\cos\ x}\ =...  

sin x

2 sin x

2 cos x

 2sin x\frac{2}{\sin\ x}  

 2sin x\frac{-2}{\sin\ x}  

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Bentuk sederhana dari  sin x cot x\sin\ x\ \cot\ x  

 sin x\sin\ x  

 cos x\cos\ x  

 tan x\tan\ x  

 cot x\cot\ x  

 secx\sec x  

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