SSC CHSL 2019 PYQ — Question 66

SSC CHSL - 3rd July 2019 - Shift 3 • Quantitative Aptitude • Q66

The value of 4tan230° + 1/4 sin290° + (1/8) × (cot230°cos245°/sin60°cos30°) - cos60°sin30° is:

Show answer & explanation

Correct answer: D

Explanation

Correct answer is option 4 i.e. 19/12

Application

4tan230° + 1/4 sin290° + (1/8) × (cot230°cos245°/sin60°cos30°) - cos60°sin30°

⇒ 4 × 1/3 + 1/4 + (1/8)(3/2 ÷ 3/4) - 1/4

⇒ 4/3 + 1/4 

⇒ 19/12