Welcome to the **Trigonometry MCQs with Answers**. In this post, we have shared **Trigonometry Online Test** for different competitive exams. Each question in Aptitude Test offers a chance to enhance your knowledge regarding **Trigonometry** MCQs.

What is the value of sin(30°)?

a) 1/2

b) √2/2

c) √3/2

d) 1

What is the value of cos(45°)?

a) 1/2

b) √2/2

c) √3/2

d) 1

If tan(θ) = 1, what is the value of θ?

a) 30°

b) 45°

c) 60°

d) 90°

What is the value of sin(90°)?

a) 0

b) 1

c) √2/2

d) √3/2

What is the value of cos(60°)?

a) 1/2

b) √2/2

c) √3/2

d) 1

The value of sec(θ) is the reciprocal of which trigonometric function?

a) sin(θ)

b) cos(θ)

c) tan(θ)

d) cot(θ)

What is the value of cot(90°)?

a) 0

b) 1

c) ∞

d) undefined

If sin(θ) = 3/5, what is cos(θ)?

a) 4/5

b) 3/5

c) 5/4

d) 3/4

What is the value of tan(30°)?

a) 1/√3

b) √3

c) 1

d) 2

The value of sin²(θ) + cos²(θ) is always equal to:

a) 0

b) 1

c) 2

d) √2

What is the value of cos(90°)?

a) 0

b) 1

c) √2/2

d) √3/2

What is the value of sin(60°)?

a) 1/2

b) √2/2

c) √3/2

d) 1

If cot(θ) = 1/√3, what is the value of θ?

a) 30°

b) 45°

c) 60°

d) 90°

What is the value of sec(30°)?

a) 2/√3

b) √3/2

c) 2

d) √3

If sin(θ) = 4/5, what is the value of tan(θ)?

a) 4/3

b) 3/4

c) 5/4

d) 4/3

What is the value of cos(30°)?

a) 1/2

b) √2/2

c) √3/2

d) 1

If θ is an angle in the first quadrant and sin(θ) = 1/3, what is the value of cos(θ)?

a) √8/3

b) √7/3

c) 2/3

d) √2/3

The value of tan(90°) is:

a) 0

b) 1

c) ∞

d) undefined

What is the value of sin(0°)?

a) 0

b) 1

c) √2/2

d) √3/2

What is the value of sec(60°)?

a) 1/2

b) √3/2

c) 2/√3

d) 2

If θ = 45°, what is the value of sin(θ) × cos(θ)?

a) 1/2

b) √2/4

c) √2/2

d) 1

What is the value of cot(45°)?

a) 0

b) 1

c) √2

d) √3

If sin(θ) = 5/13, what is the value of cos(θ)?

a) 12/13

b) 13/5

c) 5/12

d) 12/5

What is the value of tan(45°)?

a) 0

b) 1

c) √2

d) √3

The value of sin(θ) when θ is in the second quadrant is:

a) positive

b) negative

c) zero

d) undefined

If sec(θ) = 2, what is the value of cos(θ)?

a) 1/2

b) √3/2

c) 1

d) 2

What is the value of sin(45°)?

a) 1/2

b) √2/2

c) √3/2

d) 1

What is the value of cos(180°)?

a) -1

b) 0

c) 1

d) -√2/2

If A is an acute angle and sin(A) = 0.6, what is the value of cos(A)?

a) 0.8

b) 0.4

c) 0.6

d) 0.5

The value of sin(150°) is:

a) 1/2

b) √3/2

c) -1/2

d) -√3/2

What is the value of cos(120°)?

a) -1/2

b) 1/2

c) √3/2

d) -√3/2

If θ is an angle in the third quadrant and sin(θ) = -3/5, what is cos(θ)?

a) -4/5

b) 4/5

c) -3/4

d) 3/5

The value of sec(0°) is:

a) 0

b) 1

c) ∞

d) 2

What is the value of sin(π/3)?

a) 1/2

b) √2/2

c) √3/2

d) 1

If tan(θ) = 0, what is the value of θ?

a) 0°

b) 45°

c) 90°

d) 180°

What is the value of cot(30°)?

a) √3

b) 1/√3

c) 1

d) 2

What is the value of cos(135°)?

a) -√2/2

b) √2/2

c) -1/2

d) 1/2

The value of sin(π/4) is:

a) 1/2

b) √2/2

c) √3/2

d) 1

What is the value of sec(90°)?

a) 0

b) 1

c) ∞

d) -1

If θ is an angle in the fourth quadrant and cos(θ) = 4/5, what is sin(θ)?

a) -3/5

b) 3/5

c) -4/5

d) 4/5

If you are interested to enhance your knowledge regarding Physics, Chemistry, Computer, and Biology please click on the link of each category, you will be redirected to dedicated website for each category.