$16 sec^2 A − 16 tan^2 A$ = ______ - CUETMOCK

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Target Exam

CUET

Subject

General Test

Chapter

Quantitative Reasoning

Topic

Trigonometry

Question:

$16 sec^2 A − 16 tan^2 A$ = ______.

Options:

9

0

16

1

Correct Answer:

16

Explanation:

16 sec²A - 16 tan²A

= 16 ( sec²A - tan²A )

= 16 { we know, sec²A - tan²A = 1 }

CUET Questions