1 Answered Questions for the topic Cos Law
08/07/17
ABC is a triangle. D is the center of BC . AC is perpendicular to AD. prove that $cos(A)*cos(c)=2*(c^2-a^2)/3$
ABC is a triangle. D is the center of BC . AC is perpendicular to AD. prove thatcos(A)⋅cos(C)=2(c^2−a^2)/3ac
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