Trigonometry MCQs with Answers

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