NDA (National Defence Academy) Mathematics: Questions 62 - 68 of 384

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Question number: 62

» Trigonometry » Trigonometric Identities Sum and Difference Formulae

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MCQ▾

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

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MCQ▾

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

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Appeared in Year: 2012

MCQ▾

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

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MCQ▾

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

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MCQ▾

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

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MCQ▾

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

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MCQ▾

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.