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If-A-lies-in-the-third-quadrant-and-3-tan-A-4-0-then-5-sin-2A-3-sin-A-4cos-A-




Question Number 20436 by pp75718276@gmail.com last updated on 26/Aug/17
If  A lies in the third quadrant and  3 tan A − 4 = 0, then   5 sin 2A + 3 sin A + 4cos A =
IfAliesinthethirdquadrantand3tanA4=0,then5sin2A+3sinA+4cosA=

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