SSC Selection Post 2022 PYQ — Question 64

SSC Selection Post - Graduation Level - 5 Aug 2022 - Shift 3 • Quantitative Aptitude • Q64

The least value of cos θ sin θ is:

Show answer & explanation

Correct answer: D

Explanation

The correct answer is option 4 i.e. (−12)(-{1 \over 2}).

cosθ sinθ = (sin2θ)/2

Range of sin2θ: [-1, 1]

Minimum value of (sin2θ)/2 = (−12)(-{1 \over 2})