Trigonometric Functions

Which of the following is the reciprocal of tan θ?

1. sin θ
2. cos θ
3. cot θ
4. sec θ

The value of cos 180° is:

1. 1
2. 0
3. -1
4. 1/2

The value of sin(-θ) is:

1. sin θ
2. -sin θ
3. cos θ
4. -cos θ

The value of tan 90° is:

1. 0
2. 1
3. Undefined
4. -1

If sin θ = 1/2, then θ can be:

1. 30°
2. 45°
3. 60°
4. 90°

The value of cosec 90° is:

1. 0
2. 1
3. -1
4. Undefined

The value of sec 0° is:

1. 0
2. 1
3. -1
4. Undefined

The period of the function y = sin x is:

1. π
2. 2π
3. 3π
4. 4π

The value of sin²θ + cos²θ is:

1. 0
2. 1
3. 2
4. sin θ

Which of the following is a periodic function?

1. x²
2. sin x
3. x + 1
4. log x

The value of tan 45° is:

1. 0
2. 1
3. √3
4. Undefined

The range of the function y = cos x is:

1. (-∞, ∞)
2. [0, 1]
3. [-1, 1]
4. [1, ∞)

The domain of the function f(x) = sin x is:

1. All real numbers
2. x ≥ 0
3. x ≤ 0
4. 0 to 1

The value of cos 0° is:

1. 0
2. 1
3. -1
4. √3/2

The value of sin 90° is:

1. 0
2. 1
3. -1
4. 1/2