3 years ago

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

Mathematics

1 answer:

nata0808 [166]3 years ago

4 0

Answer:

- $\frac{\pi }{4}$

Step-by-step explanation:

Evaluate cosπ then inverse tan, that is

cosπ = - 1

$tan^{-1}$ (- 1) = - $\frac{\pi }{4}$

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