SOLUTION: which equation is true ? A) sin 30 degrees=sin 60 degrees B) sin 45 degrees = cos 45 degrees c) tan 45 degrees = cos 45 degrees D) sin 90 degrees = tan 60 degrees

Algebra ->  Triangles -> SOLUTION: which equation is true ? A) sin 30 degrees=sin 60 degrees B) sin 45 degrees = cos 45 degrees c) tan 45 degrees = cos 45 degrees D) sin 90 degrees = tan 60 degrees      Log On