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a_sh-v [17]
3 years ago
5

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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