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How do you find exact value of #tan (pi/ 4)#?

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Richard Share
Mar 13, 2018

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Use special right triangles to find the value. Since #pi/4# = #45# degrees, use the special right triangle on the left. If you do the #tan (pi/4)#, you do the #(opposite)/(adjacent)#. According to the triangle, the ratio is just one.
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