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
SSC CPO - 9 Nov 2022 - Shift 1 • Quantitative Aptitude • Q103
16 sec2 A - 16 tan2 A = _________.
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