SSC Selection Post 2022 PYQ — Question 72

SSC Selection Post - Higher Secondary Level - 3 Aug 2022 - Shift 4 • Quantitative Aptitude • Q72

The value of sin 135° + cos 270° is:

Show answer & explanation

Correct answer: C

Explanation

The correct answer is option 3 i.e. 121\over\sqrt{2}.

sin 135° = sin(180° - 45°) = sin 45° = 1/√2

cos 270° = 0

sin 135° + cos 270° = (1/√2) + 0 = 1/√2