jimmysmith560 Le Phénix Trilingue Moderator Joined Aug 22, 2019 Messages 4,592 Location Krak des Chevaliers Gender Male HSC 2019 Uni Grad 2022 Jan 29, 2022 #2 There appears to be a similar version of this question where the only difference is the letters: "In ΔABC, sin A = 2sinBcosC. Prove that ΔABC is an isosceles triangle." The working of this question is as follows: I hope this helps!
There appears to be a similar version of this question where the only difference is the letters: "In ΔABC, sin A = 2sinBcosC. Prove that ΔABC is an isosceles triangle." The working of this question is as follows: I hope this helps!