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IDENTITAS TRIGONOMETRI

Authored by FX Rusgianto

Mathematics

10th Grade

Used 211+ times

IDENTITAS TRIGONOMETRI
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15 questions

Show all answers

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

 cos⁡θ1 −sin⁡θ =....\frac{\cos\theta}{1\ -\sin\theta}\ =....  

 1−sin⁡θcos⁡θ\frac{1-\sin\theta}{\cos\theta}  

 1+sin⁡θcos⁡θ\frac{1+\sin\theta}{\cos\theta}  

 1+cos⁡θsin⁡θ\frac{1+\cos\theta}{\sin\theta}  

 1 − cos⁡θsin⁡θ\frac{1\ -\ \cos\theta}{\sin\theta}  

 1−sin⁡θsin⁡θ\frac{1-\sin\theta}{\sin\theta}  

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 1 +sec⁡αtan⁡α+sin⁡α =...\frac{1\ +\sec\alpha}{\tan\alpha+\sin\alpha}\ =...  

 sec⁡α\sec\alpha  

 sin⁡α\sin\alpha  

 1sin⁡α\frac{1}{\sin\alpha}  

 cosec⁡α\operatorname{cosec}\alpha  

 cos⁡α\cos\alpha  

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 (1−sin⁡2α)(1+tan⁡2α) =..\left(1-\sin^2\alpha\right)\left(1+\tan^2\alpha\right)\ =..  

 1+cos⁡2x1+\cos^2x  

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

 1+sin⁡2α1+\sin^2\alpha  

2

1

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

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

 tan⁡2A\tan^2A  

 cot⁡ 2A\cot\ ^2A  

 12\frac{1}{2}  

 12tan⁡2A\frac{1}{2}\tan^2A  

 12cot⁡2A\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  

 sec⁡x\sec x  

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