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  • Delhi Police Exam Numerical Ability Study Material

Digitization help student to explore and study their academic courses online, as this gives them flexibility and scheduling their learning at their convenience. Kidsfront has prepared unique course material of Numerical Ability Trigonometry for Delhi Police Exam student. This free online Numerical Ability study material for Delhi Police Exam will help students in learning and doing practice on Trigonometry topic of Delhi Police Exam Numerical Ability. The study material on Trigonometry, help Delhi Police Exam Numerical Ability students to learn every aspect of Trigonometry and prepare themselves for exams by doing online test exercise for Trigonometry, as their study progresses in class. Kidsfront provide unique pattern of learning Numerical Ability with free online comprehensive study material and loads of Delhi Police Exam Numerical Ability Trigonometry exercise prepared by the highly professionals team. Students can understand Trigonometry concept easily and consolidate their learning by doing practice test on Trigonometry regularly till they excel in Numerical Ability Trigonometry.


Trigonometry
Equation involving cosec Θ can never be a solution of the form ___________.

a) Θ = nΠ
b) Θ = Π
c) Θ = n
d) Θ = -nΠ



Answer
Correct Answer Is : Θ = nΠ
Solution Is :
True or false: Equation involving sin Θ can never be a solution of the form (2n + 1)Π/2.

a) TRUE
b) FALSE
c) Maybe
d) None of these



Answer
Correct Answer Is : FALSE
Solution Is :
The solution consisting of all possible solutions of a trigonometric equation is called _________ .

a) Principal solution
b) Inverse principal solution
c) General solution
d) Inverse general solution



Answer
Correct Answer Is : General solution
Solution Is :
What to do if sometimes the resulting roots does not satisfy the original equation?

a) Find root of equation
b) Square the equation
c) Divide equation by 2
d) None of these



Answer
Correct Answer Is : Square the equation
Solution Is :
Equation involving sec Θ can never be a solution of the form __________ .

a) (2n + 1)
b) (2n + 1)Π
c) (2n + 1)Π/2
d) Π/2



Answer
Correct Answer Is : (2n + 1)Π/2
Solution Is :
Find the principal value of sin^-1(-1/2).

a) Π
b) 6
c) Π/6
d) (- Π/6)



Answer
Correct Answer Is : (- Π/6)
Solution Is :
Find the principal value of cosec^-1(2).

a) Π
b) 6
c) Π/6
d) ( - Π/6)



Answer
Correct Answer Is : Π/6
Solution Is :
In inverse trigonometric function 2 sin^-1 (3/5) = __________ .

a) Tan^-1 (24)
b) Tan^-1 (7)
c) Tan^-1 (24/7)
d) Tan^-1 (7/24)



Answer
Correct Answer Is : Tan^-1 (24/7)
Solution Is :
In inverse trigonometric function: cos^-1 (4/5)+ cos^-1 (12/13) = __________ .

a) Cos^-1 (33/65)
b) Cos^-1 (65)
c) Cos^-1 (33)
d) All of these



Answer
Correct Answer Is : Cos^-1 (33/65)
Solution Is :
True or false: An equation involving one or more trigonometrical ratios of unknown angle is called a trigonometric equation.

a) TRUE
b) FALSE
c) Maybe
d) None of these



Answer
Correct Answer Is : TRUE
Solution Is :
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