Trigonometry - Quantitative Aptitude Questions and Answers


Quantitative Aptitude » Trigonometry

QUESTION

If sin (A/2) = x, then the value of x is

A)

√[(1+cos cos A)/2]

B)

√[(1-cos cosA)/2] 

C)

√[(1-sin sinA)/2] 

D)

√[(1+sin sinA)/2] 

Quantitative Aptitude » Trigonometry

QUESTION

The value of sin23°cos67°+sec52°sin38°+cos23°sin67°+cosec52°cos38°cosec220°-tan270° is :

A)

4

B)

3

C)

2

D)

0

Quantitative Aptitude » Trigonometry

QUESTION

If 4sin2θ=3(1+cosθ),0°<θ<90° , then what is the value of (2tanθ+4sinθ-secθ) ?

A)

415-3

B)

153+3

C)

153-4

D)

315-4

Quantitative Aptitude » Trigonometry

QUESTION

The angle of elevation of the top of an unfinished tower at a point distant 78 m from its base is 30°. How much higher must the tower be raised (in m) so that the angle of elevation of the top of the finished tower at the same point will be 60°?

A)

26 3

B)

52 3

C)

80

D)

78 3