SSC CHSL 2020 PYQ — Question 66

SSC CHSL - 12th October 2020 - Shift 2 • Quantitative Aptitude • Q66

Find the value of (tan 60o – tan 15o)/(1+tan 60o tan 15o).

Show answer & explanation

Correct answer: B

Explanation

The correct answer is option 2 i.e 1.

Understanding Application
tan(A-B) = (tanA - tanB)/(1 + tanA tanB) 

(tan 60o – tan 15o)/(1 + tan 60o tan 15o) = tan(60o - 15o) = tan 45o =1