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JEE Main Mathematics question

MathematicsSolution of TrianglesJEE Main

Not in JEE syllabus

If the angles , and of a triangle are in an arithmetic progression and if , and denote the lengths of the sides opposite to , and respectively, then the value of the expression is

Answer: (D)

Solution

Angles in AP give , so . By the sine rule , so $Missing argument for \frac\frac ac2C=Missing argument for \frac\frac{

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Question ID VK-008629