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In !ABC it is given that a:b:c = cos A:c...

In `!ABC` it is given that a:b:c = cos A:cos B:cos C
Statement-1: `!ABC` is equilateral.
Statement-2: cosA`=(b^(2)+c^(2)-a^(2))/(2bc),cosB=(c^(2)+a^(2)-b^(2))/(2ac),cosC=(a^(2)+b^(2)-c^(2))/(2ab)`

A

Statement-1 is True, Statement-2 is True, Statement-2 is a correct explanation for Statement-1

B

Statement-1 is True, Statemcnt-2 is True, Statement-2 is Not a correct explanation for Statement-1

C

Statement-1 is True, Statement-2 is False

D

Statement-1 is False, Statement-2 is True

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