Mathematics, 08.09.2019 05:10 Ddom

Calculate cos−1(−2√2) cos − 1 ⁡ ( − 2 2 ) cos−1(−2√2)= cos − 1 ⁡ ( − 2 2 )

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Calculate cos−1(−2√2) cos − 1 ⁡ ( − 2 2 ) cos−1(−2√2)= cos − 1 ⁡ ( − 2 2 )...