if angle A ,B and C are in AP, then a + c by b is equal to
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a, b, c are in AP so b = (a+c)/2
so (a+c) /b = 2
so (a+c) /b = 2
sonachrislin01:
answer is 2cos A-C/2...I want to know ..how
Means explanation
what are A,B and C?
and a, b and c?
angles
and a, b and c are sides?
Ya.. it will be
ok..
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