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Identitas Trigonometri

Authored by Christina Meilany Xb TKJ

Mathematics

10th - 12th Grade

Used 2+ times

Identitas Trigonometri
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Jika cos2A=−725 untuk 180∘≤2A≤270∘, maka

sinA=±45

cosA=35

tanA=43

sinA=−45

cscA=54

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Nilai dari cos265∘−cos95∘=⋯⋅

-2

-1

0

1

2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Bentuk lain dari 1+cos2Asin2A adalah ⋯⋅

sinA

cosA

cotA

tanA

1+sinA

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Nilai dari sin160∘+sin140∘−cos10∘ adalah ⋯⋅

2

1

0

-1

-2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Pada segitiga siku-siku A

B

C

ABC

berlaku sin

A

sin

B

=

0

,

5

sin⁡Asin⁡B=0,5

. Jika sudut siku-sikunya di A

A

, maka nilai dari

1

0,5

0

-0,5

-1

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Bentuk lain dari 2cos(14π+x)sin(14π+x)=⋯

1−sin2x

1−cos2x

1+sin2x

1+cos2x

cos2x

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Jika A=20∘ dan B=25∘, maka nilai dari (1+tanA)(1+tanB) adalah ⋯⋅

0

1

2

3

4

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