if28 cosa+45sina is equal to 53 then 53sina is equal to
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28 cosA+45sinA=53
multiplying by sin A on both sides
28 cos A sin A + 45 sin sq A =53 sinA
sinA (28 cos A + 45 sinA)=53 sinA
multiplying by sin A on both sides
28 cos A sin A + 45 sin sq A =53 sinA
sinA (28 cos A + 45 sinA)=53 sinA
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