Question
Asked Oct 1, 2019
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Find the exact values of the following and simplify. Indicate if an expression is undefined. Do not use a calculator, and show steps:

tan^-1 (tan (4pi/5) )

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Expert Answer

Step 1

Solve the expression as follows.

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= tan tan tan tan 5 5 tan ( x tan x =-tan tan 5

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Step 2

Property used:

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tantanxx wherexe 2 2

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Math

Trigonometry

Inverse Trigonometric Ratios

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