Mathematics, 22.07.2020 09:01 erieannapickett12

if the sin 90 degrees is 1, then the cos _= 90; 1/2 0; square root of 2/2 90; square root of 3/2 0;1

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if the sin 90 degrees is 1, then the cos ___=__ 90; 1/2 0; square root of 2/2 90; square root of 3/2...