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Menghafal rumus trigonometri 1

Authored by Erna Wuryanti

Mathematics

11th Grade

Used 23+ times

Menghafal rumus trigonometri 1
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 sin(AB)\sin\left(A-B\right)  

sinA sinB - cos A cos B

sinA cos B - cosA sinB

cosA sinB - sinA cosB

sinA cosB + cosA sinB

cosA cosB + sinA sinB

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

cos 50ocos70o-sin50osin70o

12\frac{1}{2}

123\frac{1}{2}\sqrt{3}

122-\frac{1}{2}\sqrt{2}

123-\frac{1}{2}\sqrt{3}

12-\frac{1}{2}

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 tan 155°+tan145°1tan155°tan145°\frac{\tan\ 155\degree+\tan145\degree}{1-\tan155\degree\tan145\degree}  

 1-1  

 3-\sqrt{3}  

 133-\frac{1}{3}\sqrt{3}  

 132-\frac{1}{3}\sqrt{2}  

 12-\frac{1}{2}  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 sinPsinQcosPcosQ\sin P\sin Q-\cos P\cos Q  

 sin(P+Q)-\sin\left(P+Q\right)  

 cos(P+Q)\cos\left(P+Q\right)  

 cos(PQ)-\cos\left(P-Q\right)  

 cos(P+Q)-\cos\left(P+Q\right)  

 sin(PQ)\sin\left(P-Q\right)  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 4 sinM sinN4\ \sin M\ \sin N  

 2{sin(M+N)+sin(MN)}-2\left\{\sin\left(M+N\right)+\sin\left(M-N\right)\right\}  

 {sin(M+N)sin(MN)}-\left\{\sin\left(M+N\right)-\sin\left(M-N\right)\right\}  

 4{cos(M+N)cos(MN)}4\left\{\cos\left(M+N\right)-\cos\left(M-N\right)\right\}  

 2{cos(M+N)cos(MN)}-2\left\{\cos\left(M+N\right)-\cos\left(M-N\right)\right\}  

 cos(M+N)+cos(MN)\cos\left(M+N\right)+\cos\left(M-N\right)  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 cos195°+cos75°\cos195\degree+\cos75\degree  

 123-\frac{1}{2}\sqrt{3}  

 122-\frac{1}{2}\sqrt{2}  

 126-\frac{1}{2}\sqrt{6}  

 123\frac{1}{2}\sqrt{3}  

 126\frac{1}{2}\sqrt{6}  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 3sin105°cos15°3\sin105\degree\cos15\degree  

 34(3+1)\frac{3}{4}\left(\sqrt{3}+1\right)  

 34(3+2)\frac{3}{4}\left(\sqrt{3}+2\right)  

 32(3+2)\frac{3}{2}\left(\sqrt{3}+2\right)  

 32(32)\frac{3}{2}\left(\sqrt{3}-2\right)  

 32(23)\frac{3}{2}\left(2-\sqrt{3}\right)  

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