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

User Cementblocks
by
6.8k points

1 Answer

7 votes

Answer:

-
(\pi )/(4)

Explanation:

Evaluate cosπ then inverse tan, that is

cosπ = - 1


tan^(-1)(- 1) = -
(\pi )/(4)

User Fnune
by
7.5k points
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