Let z1,z2 and z3 represent the vertices A, B and C of the triangle ABC – InterviewSolution

1.	Let z1,z2 and z3 represent the vertices A, B and C of the triangle ABC in the Argand plane, such that \|z1\|=\|z2\|=\|z3\|=5, then the value of z1sin 2A+z2sin 2 B+z3sin 2C is
Answer» Let $z_{1}, z_{2}$ and $z_{3}$ represent the vertices A, B and C of the triangle $A B C$ in the Argand plane, such that $\| z_{1} \| = \| z_{2} \| = \| z_{3} \| = 5$ , then the value of $z_{1} sin 2A + z_{2} sin 2 B + z_{3} sin 2C$ is

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