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Mathematics, 22.07.2019 14:00 esdoles3865
Sin a = 90-cos a. and cos a = 90-sin a. angle a has sin 54. what is the cos for that angle? how do you know? what is cos b? how do you know?
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Sin a = 90-cos a. and cos a = 90-sin a. angle a has sin 54. what is the cos for that angle? how do...
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