{:(" Column - I ",...

`{:(" Column - I "," Column - II "),("A) The number of pairs (x, y) satisfying the equation sin x + sin y = sin (x + y) and |x| + |y| = 1 ","P) 6 "),("B) The number of values of x satisfying " e^((1)/(sqrt(2)))(e ^(sin x)+ e ^(cos x)) = 2 i n (- pi , pi) is ,"Q) 4 "),("C) The number of values of" x in ( - pi, pi) "satisfying " cos^(7) x + sin^(4) x = 1 is ,"R) 3 "),("D) The number of values of " x in ( - pi, pi) "satisfying " cos^(50) x - sin^(50) x = 1 ,"S) 2 " ):}`

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The correct Answer is:

A- p; B - s; C - r; D - r

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