Trigonometri (2) Jumlah dan Selisih Dua Sudut

Multiple Choice

$$\cos\ 60\degree=....$$  

• $$\frac{1}{2}\sqrt{2}$$  

• $$1$$  

• $$0$$  

• $$\frac{1}{2}$$  

Multiple Choice

$$\sin45\degree=....$$  

• $$0$$  

• $$\frac{1}{2}\sqrt{2}$$  

• $$\frac{1}{2}$$  

• $$\frac{1}{2}\sqrt{3}$$  

Multiple Choice

$$\sin\ 60\degree=....$$  

• $$\frac{1}{2}\sqrt{2}$$  

• $$\frac{1}{2}\sqrt{3}$$  

• $$0$$  

• $$1$$  

Multiple Choice

$$\tan120\degree$$  

• $$-\sqrt{3}$$  

• $$-\frac{1}{3}\sqrt{3}$$  

• $$0$$  

• $$1$$  

Multiple Choice

$$\cos\left(\alpha-\beta\right)=....$$  

• $$\cos\alpha\cos\beta+\sin\alpha\sin\beta$$  

• $$\cos\alpha\cos\beta-\sin\alpha\sin\beta$$  

• $$\sin\alpha\cos\beta+\cos\alpha\sin\beta$$  

• $$\sin\alpha\cos\beta-\cos\alpha\sin\beta$$  

Multiple Choice

$$\cos\left(\alpha+\beta\right)=....$$  

• $$\cos\alpha\cos\beta+\sin\alpha\sin\beta$$  

• $$\cos\alpha\cos\beta-\sin\alpha\sin\beta$$  

• $$\sin\alpha\cos\beta+\cos\alpha\sin\beta$$  

• $$\sin\alpha\cos\beta-\cos\alpha\sin\beta$$  

Multiple Choice

$$\cos\left(105\degree\right)=....$$  

• $$\cos45\degree.\cos60\degree+\sin45\degree.\sin60\degree$$  

• $$\cos45\degree.\cos60\degree-\sin45\degree.\sin60\degree$$  

• $$\sin45\degree.\cos60\degree+\cos45\degree.\sin60\degree$$  

• $$\sin45\degree.\cos60\degree-\cos45\degree.\sin60\degree$$  

Multiple Choice

$$\sin\left(\alpha-\beta\right)=....$$  

• $$\cos\alpha\cos\beta+\sin\alpha\sin\beta$$  

• $$\cos\alpha\cos\beta-\sin\alpha\sin\beta$$  

• $$\sin\alpha\cos\beta+\cos\alpha\sin\beta$$  

• $$\sin\alpha\cos\beta-\cos\alpha\sin\beta$$  

Multiple Choice

$$\sin\left(\alpha+\beta\right)=....$$  

• $$\cos\alpha\cos\beta+\sin\alpha\sin\beta$$  

• $$\cos\alpha\cos\beta-\sin\alpha\sin\beta$$  

• $$\sin\alpha\cos\beta+\cos\alpha\sin\beta$$  

• $$\sin\alpha\cos\beta-\cos\alpha\sin\beta$$  

Multiple Choice

$$\sin\left(15\degree\right)=....$$  

• $$\cos45\degree\cos30\degree+\sin45\degree\sin30\degree$$  

• $$\cos45\degree\cos30\degree-\sin45\degree\sin30\degree$$  

• $$\sin45\degree\cos30\degree+\cos45\degree\sin30\degree$$  

• $$\sin45\degree\cos30\degree-\cos45\degree\sin30\degree$$  

Multiple Choice

$$\tan\left(\alpha+\beta\right)=....$$  

• $$\frac{\tan\alpha+\tan\beta}{1-\tan\alpha\tan\beta}$$  

• $$\frac{\tan\alpha-\tan\beta}{1+\tan\alpha\tan\beta}$$  

• $$\frac{\tan\alpha+\tan\beta}{1+\tan\alpha\tan\beta}$$  

• $$\frac{\tan\alpha-\tan\beta}{1-\tan\alpha\tan\beta}$$  

Multiple Choice

$$\tan\left(\alpha-\beta\right)=....$$  

• $$\frac{\tan\alpha+\tan\beta}{1-\tan\alpha\tan\beta}$$  

• $$\frac{\tan\alpha-\tan\beta}{1+\tan\alpha\tan\beta}$$  

• $$\frac{\tan\alpha+\tan\beta}{1+\tan\alpha\tan\beta}$$  

• $$\frac{\tan\alpha-\tan\beta}{1-\tan\alpha\tan\beta}$$  

Multiple Choice

$$\tan\left(255\degree\right)=....$$  

• $$\frac{\tan60\degree+\tan90\degree}{1-\tan60\degree.\tan90\degree}$$  

• $$\frac{\tan90\degree+\tan120\degree}{1-\tan90\degree.\tan120\degree}$$  

• $$\frac{\tan120\degree+\tan135\degree}{1-\tan120\degree.\tan135\degree}$$  

• $$\frac{\tan135\degree+\tan150\degree}{1-\tan135\degree.\tan150\degree}$$  

Multiple Choice

Nilai dari $$\cos105\degree=....$$  

• $$\frac{\sqrt[]{2}+\sqrt[]{6}}{4}$$  

• $$\frac{\sqrt[]{2}-\sqrt[]{6}}{4}$$  

• $$\frac{\sqrt[]{6}-\sqrt[]{2}}{4}$$  

• $$\frac{\sqrt[]{6}+\sqrt[]{2}}{4}$$  

Multiple Choice

Nilai dari $$\sin15\degree=....$$  

• $$\frac{\sqrt[]{2}+\sqrt[]{6}}{4}$$  

• $$\frac{\sqrt[]{2}-\sqrt[]{6}}{4}$$  

• $$\frac{\sqrt[]{6}-\sqrt[]{2}}{4}$$  

• $$\frac{\sqrt[]{6}+\sqrt[]{2}}{4}$$