9sec^2A-9tan^2A= Fund the value
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Question:
9sec²A - 9tan²A =
Find the value
Answer:
1
Explanation:
9sec²A - 9 tan²A
=> 9(sec²A-tan²A)
=> 9(1)
[∵ sec²A = 1 + tan²A
∴ sec²A - tan²A = 1]
∴ 9sec²A - 9 tan²A = 1
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