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Trigonometry Formula Class XI

Authored by Nilesh gulati

Mathematics

11th - 12th Grade

CCSS covered

Used 349+ times

Trigonometry Formula Class XI
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 Sin(x+y)=Sin\left(x+y\right)=  

 Sin x Cos x+Sin y Cos ySin\ x\ Cos\ x+Sin\ y\ Cos\ y  

 Sin x Cos y+Sin y Cos xSin\ x\ Cos\ y+Sin\ y\ Cos\ x  

 Sin x Cos yCos x Sin ySin\ x\ Cos\ y-Cos\ x\ Sin\ y  

 Cos x Cos ySin x Sin yCos\ x\ Cos\ y-Sin\ x\ Sin\ y  

Tags

CCSS.HSF.TF.C.9

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 Cos2xSin2x=Cos^2x-Sin^2x=  

 11  

 Sin 2xSin\ 2x  

 Cos 2xCos\ 2x  

 1-1  

Tags

CCSS.HSF.TF.C.8

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 2SinACosB=2SinACosB=  

 Sin(AB)+Sin(A+B)Sin\left(A-B\right)+Sin\left(A+B\right)  

 Cos(A+B)+Cos(AB)Cos\left(A+B\right)+Cos\left(A-B\right)  

 Sin(A+B)Sin(AB)Sin\left(A+B\right)-Sin\left(A-B\right)  

 Cos(A+B)Cos(AB)Cos\left(A+B\right)-Cos\left(A-B\right)  

Tags

CCSS.HSF.TF.C.9

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (2tanA)1+tan2A=\frac{\left(2\tan A\right)}{1+\tan^2A}=  

 tan2A\tan2A  

 Cos2ACos2A  

 Sin2ASin2A  

 none of thesenone\ of\ these  

Tags

CCSS.HSF.TF.C.9

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 SinC+SinD=SinC+SinD=  

 2Cos(C+D2)Sin(CD2)2Cos\left(\frac{C+D}{2}\right)Sin\left(\frac{C-D}{2}\right)  

 2Sin(C+D2)Sin(CD2)2Sin\left(\frac{C+D}{2}\right)Sin\left(\frac{C-D}{2}\right)  

 2Cos(C+D2)Sin(CD2)2Cos\left(\frac{C+D}{2}\right)Sin\left(\frac{C-D}{2}\right)  

 2Cos(CD2)Sin(C+D2)2Cos\left(\frac{C-D}{2}\right)Sin\left(\frac{C+D}{2}\right)  

Tags

CCSS.HSF.TF.C.9

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 Sin3A=Sin3A=  

 3SinA+4Sin3A3SinA+4Sin^3A  

 3SinA4Sin3A3SinA-4Sin^3A  

 4Sin3A3SinA4Sin^3A-3SinA  

 4Sin3A+3SinA4Sin^3A+3SinA  

Tags

CCSS.HSF.TF.C.9

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 Cos(x+y)=Cos\left(x+y\right)=  

 Cos x Cos y+Sin x Sin yCos\ x\ Cos\ y+Sin\ x\ Sin\ y  

 Cos x Cos ySin x Sin yCos\ x\ Cos\ y-Sin\ x\ Sin\ y  

 Cos x Sin y Sin x Cos yCos\ x\ Sin\ y\ -Sin\ x\ Cos\ y  

 Cos x Sin y +Sin x Cos yCos\ x\ Sin\ y\ +Sin\ x\ Cos\ y  

Tags

CCSS.HSF.TF.C.9

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