If A, B, C are angles of a triangle, then sin2A - sin2B + sin2C=
2) 4cosAcosBsin
1) 4cosAsinBcosc
4) 4sinAcosBsinc
3) 4sinAcosBcosC
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Answer:
4.4sinAcosBsinc
lf A,B, C are angles of a traingle then side sin2A -sin2B+sin2C,
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