Identitas Trigonometri

Multiple Choice

Hasil dari $$\frac{\sin\ x\ +\tan\ x}{\cot\ x+\csc\ x}=...$$

• $$\sin\ x.\ \cos\ x$$

• $$\sin\ x.\ \cot\ x$$

• $$\sin\ x.\ \csc\ x$$

• $$\sin\ x.\ \tan\ x$$

Multiple Choice

Hasil dari $$\frac{\tan\alpha\ \cdot\sin\alpha}{\cos\ \alpha\ \cdot\sec\alpha}=...$$

• $$\frac{\sin^2\alpha}{\cos\alpha}$$

• $$\frac{\sin^2\alpha}{\cos^3\alpha}$$

• $$\frac{\sin^2\alpha+\sin\alpha}{\cos^2\alpha}$$

• $$\sin^3\alpha$$

Multiple Choice

$$Hasil\ dari\ \frac{1-\cos\ x}{\sin x}=...$$

• $$\frac{-\sin\ x}{1+\cos x}$$

• $$\frac{-\cos\ x}{1-\sin x}$$

• $$\frac{\sin\ x}{1-\cos x}$$

• $$\frac{\sin\ x}{1+\cos x}$$

Multiple Choice

Bentuk $$\left(1-\cos^2A\right)\times\cot^2A$$ dapat disederhanakan menjadi ....

• $$2\sin^2A-1$$

• $$\sin^2A+\cos^2A$$

• $$1-\sin^2A$$

• $$1-\cos^2A$$

Multiple Choice

Untuk setiap sudut $$\beta$$ , maka $$\left(1-\sin^2\beta\right)\left(1+\tan^2\beta\right)$$ dapat disederhanakan menjadi ....

• $$1+\sin^2\beta$$

• $$1$$

• $$\sin^2\beta-\cos^2\beta$$

• $$1+\cos^2\beta$$

Multiple Choice

$$\tan\ x\ \sin\ x+\cos\ x$$ senilai dengan....

• $$\cos\ x$$

• $$\tan\ x$$

• $$\sin\ x$$

• $$\sec\ x$$

Multiple Choice

$$\frac{\sin A}{1+\cos A}+\frac{1+\cos A}{\sin A},\ hitunglah!$$

• $$\frac{2}{\cos A}$$

• $$\frac{2}{\cos^2A}$$

• $$\frac{2}{\sin A}$$

• $$\frac{2}{\sin^2A}$$

Multiple Choice

$$bentuk\ yang\ senilai\ dengan\ 3\cot^2\alpha-2\ adalah$$

• $$\frac{3}{\sin^2\alpha}-5$$

• $$3\sin^2\alpha-5$$

• $$3\sin^2\alpha-2$$

• $$\frac{3}{\cos^2\alpha}-2$$

Multiple Choice

$$\tan^2\alpha\ \cos^2\alpha+\cot^2\alpha\ \sin^2\alpha,\ Hitunglah!$$

• $$\cos^2\alpha+\sin^2\alpha$$

• $$1$$

• $$\frac{\cos^2\alpha}{\sin^2\alpha}$$

• $$1+\tan^2\alpha$$

Multiple Choice

$$Sederhanakan,\ \frac{\cot\alpha-\sec^2\alpha}{1+\cot^2a}$$

• $$\frac{\sin\alpha}{\cos\alpha}$$

• $$\frac{\cos\alpha}{\sin\alpha}$$

• $$\frac{1}{\sin\alpha}$$

• $$\sin\alpha$$

Multiple Choice

$$Diketahui\ sudut\ suatu\ bangun\ adalah\ \beta,\ maka\ \left(1+\tan^2\beta\right)\left(1-\sin^2\beta\right)\ dapat\ disederhanakan\ menjadi$$

• $$\tan^2\beta$$

• $$\cos^2\beta-1$$

• $$\sin^2\beta+\cos^2\beta$$

• $$1$$