MathematicsMedium45×since 2004Q5676The value of cosπ22.cosπ23 .....cosπ210.sinπ210\cos {\pi \over {{2^2}}}.\cos {\pi \over {{2^3}}}\,.....\cos {\pi \over {{2^{10}}}}.\sin {\pi \over {{2^{10}}}}cos22π.cos23π.....cos210π.sin210π is -A1256{1 \over {256}}2561B12{1 \over {2}}21C11024{1 \over {1024}}10241D1512{1 \over {512}}5121Check answerSkip