Math, asked by aslamhabib7777, 10 months ago

(i) 9 sec? A - 9 tan’ A =
(A) 1'
B
9

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Answered by v8496803

2

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Answered by Khushikanyal13

1

9( sec²A-tan²A)

9*1=9

since sec²A=1+tan²A

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