Mathematics, 12.08.2020 06:01 symonya
If the sin 30° is 1/2, then the cos ° = . A. 60° , 1/2 B. 30° , square root of 2/ 2 C. 60° , square root of 3/ 2 D. 30° ; 1
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If the sin 30° is 1/2, then the cos ° = . A. 60° , 1/2 B. 30° , square root of 2/ 2 C. 60° , square...
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