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In a A B C , S/R is equal to s in A+s i...

In a ` A B C , S/R` is equal to `s in A+s in B+s in C` (b) `4cosA/2cosB/2cosC/2` `4s in A\ s in B\ s in C` (d) `( s)/(a b c)`

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ALLEN-SOLUTION AND PROPERTIES OF TRIANGLE-All Questions
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