NDA (National Defence Academy) Mathematics: Questions 62  68 of 384
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Question number: 62
» Trigonometry » Trigonometric Identities Sum and Difference Formulae
Question
What is the maximum value of ? Where
Choices
Choice (4)  Response  

a.  2 

b.  1 

c.  0 

d. 


Question number: 63
» Algebra » Quadratic Equations with Real Coefficients
Question
If then which of the following is/are correct?
Select the correct answer using the code given below:
Choices
Choice (4)  Response  

a.  Neither 

b. 


c.  only 

d.  only 

Question number: 64
» Trigonometry » Angles and Their Measures in Degrees and in Radians
Appeared in Year: 2012
Question
If , then what is the value of ?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 65
» Differential Calculus » Algebraic Operations on Continuous Functions
Question
What is equal to?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 66
» Analytical Geometry of Two and Three Dimensions » Direction Cosines and Direction Ratios
Question
What is the cosine of angle between the planes and
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 67
» Analytical Geometry of Two and Three Dimensions » Angle between Two Lines
Question
Out of points in a plane, points are in the same straight line, triangles can be formed by joining these points. What is the value of
Choices
Choice (4)  Response  

a.  4 

b.  3 

c.  6 

d.  5 

Question number: 68
» Analytical Geometry of Two and Three Dimensions » Distance of a Point from a Line
Question
Two poles are and high. The line joining their tips makes an angle of with the horizontal. What is the distance between the poles?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

