1.

For the smallest positive values of x and y, the eqation 2 (sin x + sin y) - 2 cos ( x - y) = 3 has a solution, then which of the following is/are true ?

Answer»

`"SIN"(X+y)/2=1`
`cos((x-h)/2)=1/2`
NUMBER of ordered pairs (x,y) is 2
number of ordered pairs (x,y) is 3

Answer :A::B::C


Discussion

No Comment Found