Choose the correct equation for the function whose graph is shown. y= 3/2 cos 1/4x y = 3/2 sin 1/4 x y = 3/2 cos 4x y = 3/2

The median segment divides the triangle into 2 isosceles triangles and everything else is trivial.|ad|=|bc|2=|bd|soδadb  is isosceles with∠dab=∠dbasimilarlyδadc  is isosceles with  ∠dac=∠dca∠cab=∠cad+∠bad=∠acb+∠abctherefore∠cab  is a right angleandbc  is the hypotenuse of a right-angled triangle.hope this