Asked by Charles
Write the expression and evaluate. There is only one answer whIch should match the range of the inverse trig function.
Sec^-1(-2)
I got 2pi/3
could someone tell me if that is right? And if not, could someone please explain how to get the answer.
Sec^-1(-2)
I got 2pi/3
could someone tell me if that is right? And if not, could someone please explain how to get the answer.
Answers
Answered by
Damon
if the sec is -2 then the cos is -1/2
that would be 180- 60 or pi - pi/3 = 2pi/3
that would be 180- 60 or pi - pi/3 = 2pi/3
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