SSC CPO 2022 PYQ — Question 103

SSC CPO - 9 Nov 2022 - Shift 1 • Quantitative Aptitude • Q103

16 sec2 A - 16 tan2 A = _________.

Show answer & explanation

Correct answer: C

Explanation

The correct answer is option 3 i.e. 16.

Calculation

⇒ 16 sec2 A - 16 tan2 A 

⇒ 16 (sec2 A - tan2 A) 

As we know that

sec2 A - tan2 A = 1

So,

⇒ 16 × 1

⇒ 16