Sec²A - tan²A = 1
Then A=90
Sec²90 - tan²90 = ?
Answers
Answered by
1
Answer:
it's not defined bro. sec 90 has no value
Answered by
0
Step-by-step explanation:
sec²90= Not defined
tan²90= Not defined
therefore
sec²90-tan²90= (Not defined )² - (Not defined)²
=0.
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