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If 8sina - 2cosa =3 sina + 8 cos a find a |
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Answer» Step-by-step explanation: 8Sina-2Cosa=3Sina+8Cosa 8Sina-3Sina=8Cosa+2Cosa 5Sina=10Cosa Sina/Cosa=10/5 Tana=2 so a=2/tan a=2tan^-1 a=63.43 (APPROX.) |
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