find cos70?cos10+sin70?sin10 This question has not been answered yet! Don't worry! You can check out similar questions with solutions below ... cos80 cos70 + sin80 sin70 is (a) cos10 (b) cos150 (c) sin10 ... ques1 find the value of? Q(a) Sin70*Cos10*-cos70*sin10* b) ... Find the value of Cos10-sin10 find the value of cos20°/sin70°+cos70°/sin20°-8sin2 30° ... cos10 cos50 cos60 cos70 = 3/16 (b) sin10 sin50 sin60 sin70 ...
