cos(118)cos(28) + sin(118)sin(28) = cos(90)cos(90-62) + sin(90)sin(90-62)= cos(90)cos(62) + sin(90)sin(62)= 00.625 + 10.781= 0 + 0.781= 0.781
cos(118)cos(28) + sin(118)sin(28) = cos(90)cos(90-62) + sin(90)sin(90-62)
= cos(90)cos(62) + sin(90)sin(62)
= 00.625 + 10.781
= 0 + 0.781
= 0.781