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25-02-2020
Mathematics

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Tan^-1[cos(pi)] find the exact value without calculator

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jimrgrant1 jimrgrant1

25-02-2020

Answer:

- [tex]\frac{\pi }{4}[/tex]

Step-by-step explanation:

Evaluate cosπ then inverse tan, that is

cosπ = - 1

[tex]tan^{-1}[/tex](- 1) = - [tex]\frac{\pi }{4}[/tex]

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