In , if , then the triangle…

MATHEMATICS · Single correct · A Level · Mathematics · Trigonometry · Trigonometry

Problem

In △ABC\triangle ABC, if sin⁡2A+sin⁡2B=sin⁡2C\sin^2A+\sin^2B=\sin^2C, then the triangle is (1) Equilateral (2) Isosceles (3) Right-angled (4) None of these

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