Grade 12Trigonometry
Find the value of the following .Cos-1 (-1/2)I am not getting how to solve this
Find the value of the following .
Cos-1 (-1/2)
I am not getting how to solve this
1 Answer
Deepak Kumar Shringi
as cos-1(-x) = pie – cos-1(x)
so answer is 2pie/3
so answer is 2pie/3
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