Question

Are these identities true for O° <A<90°? If not, for which values of A they are true?
sec? A – tan?A=1
cosec?A -cot?A=1




?=square ​

Answer 1

$\huge\boxed{ANSWER}$

Yes, these Identities are True.

For any values of A these ids can be applied but angle A must be acute.

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