Mathematics, 25.05.2021 19:30 Fauxfox
Given sin a= -3/5, cos a= -4/5, cos b= 2square root5/5, sin b= -square root 5/5
Answers: 1
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Given sin a= -3/5, cos a= -4/5, cos b= 2square root5/5, sin b= -square root 5/5...
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