SOLUTION: Find principal value sec(sec^-1(-1485))

SOLUTION: Find principal value sec(sec^-1(-1485))

Algebra.Com

Question 758253: Find principal value
sec(sec^-1(-1485))
Answer by tommyt3rd(5050) (Show Source): You can put this solution on YOUR website!
Since the two functions are inverses of one another
sec(sec^-1(-1485))=-1485
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