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In any triangle `A B C` , prove that: `acosA+bcosB+c cosC=2asinBsinC`
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This is the Solution of Question From RD SHARMA book of CLASS 11 CHAPTER TRIGONOMETRIC FUNCTIONS This Question is also available in R S AGGARWAL book of CLASS 11 You can Find Solution of All Question From RD SHARMA and R S AGGARWAL book from class 6-12 on our app DOUBTNUT for Free
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==== QUESTION TEXT ====
In any triangle `A B C` , prove that: `acosA+bcosB+c cosC=2asinBsinC`
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#rdsharmasolution #TRIGONOMETRICFUNCTIONS #rdsharmaclass11 #class11 #cbse #rdsharma #doubtnut
==== QUESTION TEXT ====
In any triangle `A B C` , prove that: `acosA+bcosB+c cosC=2asinBsinC`
=== DOWNLOAD DOUBTNUT TO ASK ANY MATH QUESTION ===
==== SCORE 100% WITH DOUBTNUT ====
Doubtnut App has video solutions of ALL the NCERT questions from Class 6 to 12 (including IIT JEE). You can also ask any Math question and get a video solution for FREE from a library of more than 1 Lakh Math Videos
==== FOLLOW US ON FACEBOOK ====
Doubtnut PAGE:
DOUBTNUT IIT JEE Group:
==== WATCH DAILY LIVE CLASSES ON YOUTUBE ====
5:30 PM - Class 9
6:30 PM - Class 10
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8:15 PM - Class 12
9:15 PM - Class 13 (DROPPERS)
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