Solved examples-Properties-of-Triangle- Trigonometry-IIT JEE MATHS-Mains / Advanced – Free Study Material-5

Problem : In a ABC, prove that cos A. cos C = 2/3  (c2-a2 )/ac, where AD is the median through A and
AD is perpendicular to  AC. 

Solution

Solved Examples-5-1 Trigonometry-Solution of Triangle-IIT-JEE Maths-Mains-Advanced-Free Study Material-
Solved Examples-5-1 Trigonometry-Solution of Triangle-IIT-JEE Maths-Mains-Advanced-Free Study Material-
Solved Examples-5-2 Trigonometry-Solution of Triangle-IIT-JEE Maths-Mains-Advanced-Free Study Material-
Solved Examples-5-2 Trigonometry-Solution of Triangle-IIT-JEE Maths-Mains-Advanced-Free Study Material-
Solved Examples-5-3 Trigonometry-Solution of Triangle-IIT-JEE Maths-Mains-Advanced-Free Study Material-
Solved Examples-5-3 Trigonometry-Solution of Triangle-IIT-JEE Maths-Mains-Advanced-Free Study Material-

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