NDA (National Defence Academy) Mathematics: Questions 298  304 of 384
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Question number: 298
» Trigonometry » Trigonometric Identities Sum and Difference Formulae
Question
What is the value of ?
Choices
Choice (4)  Response  

a.  3 

b. 


c. 


d.  1 

Question number: 299
» Matrices and Determinants » Adjoint and Inverse of a Square Matrix
Appeared in Year: 2016
Question
Which of the following are correct in respect of the system of equation
They have no solution, if
They have infinitely many solution, if
They have unique solution, if
Select the correct answer using the code given below:
Choices
Choice (4)  Response  

a.  1,2 and 3 

b.  1 and 2 only 

c.  2 and 3 only 

d.  1 and 3 only 

Passage
Let
Where,
Question number: 300 (1 of 3 Based on Passage) Show Passage
» Trigonometry » Trigonometric Identities Sum and Difference Formulae
Appeared in Year: 2012
Question
What is equal to?
Choices
Choice (4)  Response  

a.  2 

b.  1 

c. 


d.  0 

Question number: 301 (2 of 3 Based on Passage) Show Passage
» Trigonometry » Trigonometric Identities Sum and Difference Formulae
Appeared in Year: 2012
Question
What is the value of ?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 302 (3 of 3 Based on Passage) Show Passage
» Trigonometry » Trigonometric Identities Sum and Difference Formulae
Appeared in Year: 2012
Question
What is equal to?
Choices
Choice (4)  Response  

a. 


b.  0 

c.  1 

d.  2 

Question number: 303
» Matrices and Determinants » Operations on Matrices Determinant of a Matrix,
Question
What is equal to?
Choices
Choice (4)  Response  

a.  0 

b. 


c. 


d. 


Question number: 304
» Algebra » Quadratic Equations with Real Coefficients
Question
If the difference between the roots of is then which one of the following is correct?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

