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Maths Trignometry
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sinA cosB + cosA sinB = cosA cosB + sinA sinB
sinA (cosB - sinB ) = cosA ( cosB - sinB)
Hence
SinA = cosA
Hence tan A = 1
A = 45°=B
hence A+B=π/2
sinA (cosB - sinB ) = cosA ( cosB - sinB)
Hence
SinA = cosA
Hence tan A = 1
A = 45°=B
hence A+B=π/2
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