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For the smallest positive values of x an...

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 ?

A

`"sin"(x+y)/2=1`

B

`cos((x-h)/2)=1/2`

C

number of ordered pairs (x,y) is 2

D

number of ordered pairs (x,y) is 3

Text Solution

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The correct Answer is:
A, B, C
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