<prompt> Rahisishadhambi 70circ cos 50circ sin 260circ cos 280circ.  <response>: Tuna hiyo sin 70circ cos 20circ, sin 260circ -sin 80circ -cos 10circ, na cos 280 circ cos 80circ sin 10circ, hivyo dhambi 70circ cos 50circ sin 260circ cos 280circ cos 20circ cos 50circ - dhambi 10circ cos 10 circ.Kisha kwa bidhaa-jumla,anzaaligncos 20circ cos 50circ - sin 10circ cos 10circ frac12 cos 70circ cos 30circ - frac12 cdot 2 sin 10circ cos 10circ frac12 cos 70circ frac12 cos 30circ - frac12 sin 20circ frac12 cos 30circ fracsqrt34.mwishopanga 