Mathematics MCQ Set 3

Question : 2 sin 3 A cos A = _________

1. Sin 3A – cos A
2. SinA – cosA
3. Sin 2A + sinA
4. 2 cos 80⁰ sin 4⁰

Question : Range of cot θ is

1. R
2. Q
3. N
4. Z

Question : Range of 2 cos x is

1. [0 1]
2. [– 1 0]
3. [– 1 1]
4. [– 2 2]

Question : A subset of A × B is called a ___________

1. Binary relation
2. range
3. Domain
4. Digit

Question : x-coordinate of a point is also called _________

1. Ordinate
2. Origin
3. Component
4. Abscissa

Question : A particle moves according to the eq x = 2t². Its velocity at t = 3 is __________

1. 2
2. 4
3. 8
4. 12