AP EAMCET Engineering 18 Sep 2020 Shift 1 Paper

Section: Mathematics

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Question : 67 of 160

Marks: +1, -0

For A,B and C, if A+B+C=0, then sin(2A) + sin(2B)+sin(2C) is equal to

4‌sin(A).sin(B).sin(C)
2‌sin(A).sin(B).sin(C)
−4‌sin(A).sin(B).sin(C)
−2‌sin(A).sin(B).sin(C)

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