MathematicsEasy45×since 2004Q5672The value of 2sin (12∘^\circ∘) −-− sin (72∘^\circ∘) is :A5(1−3)4{{\sqrt 5 (1 - \sqrt 3 )} \over 4}45(1−3)B1−58{{1 - \sqrt 5 } \over 8}81−5C3(1−5)2{{\sqrt 3 (1 - \sqrt 5 )} \over 2}23(1−5)D3(1−5)4{{\sqrt 3 (1 - \sqrt 5 )} \over 4}43(1−5)Check answerSkip