1.

Assertion (A) : If cos(x-y) = 3 cos (x + y) then cotx cotx = 2 Reason (R ) : If (a)/(b) = ( c)/(d) then (a+b)/(a-b) = (c+d)/(c-d)

Answer»

A is true, R is correct explanation of A
A is true , R is true and R is not CORRECTE explanation of A
A is true ,R is FALSE
A is false, R is true

Answer :A


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