SOLUTION: How can I solve: ln(cosx)=-1
the answer I think is 1371.58
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Question 224522: How can I solve: ln(cosx)=-1
the answer I think is 1371.58
Answer by rapaljer(4671) (Show Source): You can put this solution on YOUR website!
ln(cosx)=-1
First "undo" the ln by raising both sides as a power of e.
Next, undo the cos function by using the arccos function:
Using a calculator, I got 68.42 degrees. If the calculator is in radian mode, I got 1.19 radians.
R^2
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