Question

v) In a triangle ABC, if the sides are a=7,6=5
and c=8, then the value of A will be 60°.​

Answer 1

Answer:

Given a triangle `A B C` with sides a=7, b=8 and c=5. Find the value of expression `(sinA+sinB+sinC)(cot A/2+cotB/2+cotC/2)`