SOLUTION: Using inverse trigonometric functions, find a solution to the equation cos(x) = 0.9 in the interval 0<x<pi. Then, use a graph to find all other solutions to this equation in this i
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Question 969479: Using inverse trigonometric functions, find a solution to the equation cos(x) = 0.9 in the interval 0
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
cos(x) = 0.9
x = acos(0.9) =~ 25.84 degs
x =~ 0.451 radians
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