1 sin ⁡ x \frac{1}{\sin x} sin x 1

1 cos ⁡ x \frac{1}{\cos\ x} cos x 1

1 tan ⁡ x \frac{1}{\tan x} tan x 1

1 cotan ⁡ x \frac{1}{\operatorname{cotan}x} c o t a n x 1

Jika sin α = 12 13 \alpha=\frac{12}{13} α = 1 3 1 2 dan α \alpha α terletak di kuadran II, tentukan nilai cos 2 α \alpha α

− 119 169 -\frac{119}{169} − 1 6 9 1 1 9

119 169 \frac{119}{169} 1 6 9 1 1 9

49 169 \frac{49}{169} 1 6 9 4 9

219 169 \frac{219}{169} 1 6 9 2 1 9

IDENTITAS TRIGONOMETRI

Authored by Lukman AR

Mathematics

12th Grade

CCSS covered

Used 363+ times

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15 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

$\frac{1\ -\ \sec^2\ A}{1-\ \csc^2\ A}$
Sederhanakanlah identitas trigonometri diatas.

$\tan\ A$

$\cot\ A$

$\tan^2\ A$

$\tan^{4\ }A$

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Diketahui $\sin\ x\ \cos\ x\ =\ \frac{3}{8}$ . Nilai $\frac{1}{\sin x}-\ \frac{1}{\cos\ x}$ adalah ............

$\frac{2}{4}$

$\frac{4}{3}$

$\frac{3}{4}$

$\frac{1}{4}$

Tags

CCSS.HSF.TF.C.8

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

$\frac{\sin x}{\cos\ x}$ = ....

cosec x

Secan x

Cotan x

tan x

Tags

CCSS.HSF.TF.C.8

CCSS.HSG.SRT.C.6

CCSS.HSF.TF.A.3

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

$1-\cos^2x=...$

sinx

sin2x

sin²x

2sinx

Tags

CCSS.HSF.TF.C.8

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Cosec x =....

$\frac{1}{\cos\ x}$

$\frac{1}{\sin x}$

$\frac{1}{\tan x}$

$\frac{1}{\operatorname{cotan}x}$

Tags

CCSS.HSF.TF.C.8

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Diketahui sin $\alpha$ = $\frac{1}{5}$ $\sqrt{13}$ , $\alpha$ sudut lancip. Tentukan nilai cos 2 $\alpha$

-1

- $\frac{1}{2}$

- $\frac{1}{5}$

- $\frac{1}{25}$

Tags

CCSS.HSF.TF.C.8

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Jika sin $\alpha=\frac{12}{13}$ dan $\alpha$ terletak di kuadran II, tentukan nilai cos 2 $\alpha$

$\frac{119}{169}$

$\frac{49}{169}$

$\frac{219}{169}$

$-\frac{119}{169}$

Tags

CCSS.HSF.TF.C.8

CCSS.HSG.SRT.C.8

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IDENTITAS TRIGONOMETRI

$\frac{1\ -\ \sec^2\ A}{1-\ \csc^2\ A}$
Sederhanakanlah identitas trigonometri diatas.