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Question
Find the value of `tan^-1(tan (5pi)/4)`
Sum
Solution
`tan (5pi)/4 = tan(pi + pi/4)`
= `tan pi/4`
So `tan^-1(tan (5pi)/4) = tan^-1(tan pi/4)`
= `pi/4`
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The Tangent Function and the Inverse Tangent Function
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