MathematicsEasy45×since 2004Q5650The value of cos²10° – cos10°cos50° + cos²50° isA32+cos20o{3 \over 2} + \cos {20^o}23+cos20oB34{3 \over 4}43C32(1+cos20o){3 \over 2}(1 + \cos {20^o})23(1+cos20o)D32{3 \over 2}23Check answerSkip