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	In `DeltaABC`, prove that: `acosA+bcosB=(c)cos(A-B)` (Doubtnut) View
	In DeltaABC, prove that: acosA+bcosB=(c)cos(A-B) \| 11 \| TRIGNOMETRIC FUNCTIONS \| MATHS \| NAGEEN ... (Doubtnut) View
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	Prove that `(acosA+bcosB+c cosC)/(a+b+c)=r/R` (Doubtnut) View
	Prove that `(acosA+bcosB+c cosC)/(a+b+c)=r/R` (Doubtnut) View
	In triangle ABC, If acosA = bcosB, then triangle is (Pace Edu.) View
$Download Lagu In any `DeltaABC`, prove that `((b+c))/acos\$	In any `DeltaABC`, prove that `((b+c))/acos\ (Doubtnut) View
	In ∆ABC, if acosA=bcosB then ∆ is either right angled or isosceles #IITJEE #trigonometry /sine rule (maths MH) View
	In `Delta ABC` prove that (i)`a=bcosC+c cosB` (ii)` b=c cosA+acosC` (iii) `c=acosB+bcosA` (Doubtnut) View