JEE Main 20199 Apr, Morning shiftMathematicsEasyTrigonometry118× since 2002The value of cos²10° – cos10°cos50° + cos²50° isAOption A. 32+cos20o{3 \over 2} + \cos {20^o}23+cos20oBOption B. 34{3 \over 4}43COption C. 32(1+cos20o){3 \over 2}(1 + \cos {20^o})23(1+cos20o)DOption D. 32{3 \over 2}23CheckSkip · show solution
