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Quantitative Aptitude Practice Algebra Study Material

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Functions

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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Quantitative Aptitude Practice Algebra Study Material

Functions

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

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.

Correct Answer Is : FALSE

Solution Is :

The solution consisting of all possible solutions of a trigonometric equation is called _________ .

Correct Answer Is : General solution

Solution Is :

What to do if sometimes the resulting roots does not satisfy the original equation?

Correct Answer Is : Square the equation

Solution Is :

Equation involving sec Θ can never be a solution of the form __________ .

Correct Answer Is : (2n + 1)Π/2

Solution Is :

Find the principal value of sin^-1(-1/2).

Correct Answer Is : (- Π/6)

Solution Is :

Find the principal value of cosec^-1(2).

Correct Answer Is : Π/6

Solution Is :

In inverse trigonometric function 2 sin^-1 (3/5) = __________ .

Correct Answer Is : Tan^-1 (24/7)

Solution Is :

In inverse trigonometric function: cos^-1 (4/5)+ cos^-1 (12/13) = __________ .

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.

Correct Answer Is : TRUE

Solution Is :

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