NDA TEST

What is the domain of the function y = sin(x)?

• (-∞, ∞)

• [0, π]

• [0, 2π]

• [-π, π]

The range of the function y = cos(x) is:

• [-1, 1]

• [0, 1]

• [-2, 2]

• [0, 2]

What is the domain of y = sec(x)?

• (-∞, ∞)

• x ≠ nπ, n ∈ ℤ

• x ≠ (2n+1)π/2, n ∈ ℤ

• (0, ∞)

The function y = tan(x) is undefined at:

• x = π, 2π, 3π

• x = π/2, 3π/2, …

• x = π, π/2, 2π

• x = 0, π, 2π

The range of the function y = 2sin(x) is:

• [-1, 1]

• [0, 2]

• [-2, 2]

• [0, 1]

In which quadrant does sin(x) > 0 and cos(x) > 0?

• First Quadrant

• Second Quadrant

• Third Quadrant

• Fourth Quadrant

The domain of the function y = cot(x) is:

• x ≠ nπ, n ∈ ℤ

• x ≠ (2n+1)π/2, n ∈ ℤ

• x = nπ, n ∈ ℤ

• (-∞, ∞)

The range of the function y = csc(x) is:

• [-1, 1]

• (-∞, -1] ∪ [1, ∞)

• (0, 1]

• (-∞, ∞)

If tan(θ) = 1 and 0° ≤ θ ≤ 360°, what are the values of θ?

• 30°, 150°

• 45°, 225°

• 90°, 270°

• 60°, 240°

Which of the following throw light on Harappan culture?

• Inscription

• Archaeological excavations

• Handwriting seals on the utensils

• Religious books