Math, asked by suchiru5, 3 months ago

Prove that: 9secA - 9tan2A = 9

Answers

Answered by Anonymous

7

Answer:

To prove:- 9sec^2A-9tan^2A=9

=> 9(sec^2A-tan^2A)

=> Using identity sec^2A-tan^2A= 1

=> 9×1

=> 9

Hope it helps..✌️

Step-by-step explanation:

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