Math, asked by navi999, 9 months ago

9 sec^2A minus 9 tan^2A equal to 9

Answers

Answered by madhu2935

1

Step-by-step explanation:

9sec²A-9tan²A = 9( sec²A-tan²A)

= 9( 1+tan²A-tan²A)

=9×1

=9

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