21 Jun 2022

If 0 less than x,y less than pi and cosx+cosy - cos(x-y) =3/2 show that x=y=pi/3 and find sinx+cosy

 

If 0 less than x,y less than pi and cosx+cosy - cos(x-y) =3/2 show that x=y=pi/3 and find sinx+cosy
If 0 less than x,y less than pi and cosx+cosy - cos(x-y) =3/2 show that x=y=pi/3 and find sinx+cosy



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