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Filename: controllers/calculator.php

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To find the ‘Arc tan’, which in reality is the inverse of the trigonometric function‘tan(θ)’, we can work backwards to get the our answer!

Using the similar conversion, the given question says,

And we know from the graph of ‘tanθ’, that tan(π/4) = 1

To find the ‘Arc tan’, which in reality is the inverse of the trigonometric function‘tan(θ)’, we can work backwards to get the our answer!

Using the similar conversion, the given question says,

And we know from the graph of ‘tanθ’, thattan(0) = 0