in a triangle ABC if |1 1 1 | |1+sinA 1+sinB 1+sinC |=0 then prove that ABC is an isosceles triangle |sinA +sin2A sinB+sin2B sinC+sin2C | Share with your friends Share 8 Adarsh Saini answered this CDC -4 View Full Answer Yuvaraj answered this I need answer 2 Aditya Maheshwari answered this Here is the solution 4
