A geometry problem by Mihir Srivastava

Geometry Level 1

Solve This c o s 0 o × c o s 1 o × c o s 2 o × c o s 3 o × c o s 4 o ⋅ ⋅ ⋅ ⋅ ⋅ c o s 8 8 o × c o s 8 9 o × c o s 9 0 o cos 0^o×cos 1^o×cos 2^o×cos 3^o×cos 4^o \cdot\cdot\cdot\cdot\cdot cos 88^o×cos 89^o×cos 90^o


The answer is 0.

Mihir Srivastava by Mihir Srivastava , 22, India

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3 solutions

Krishna Garg
Oct 26, 2014

Cos (90) =0,therefore entire multiplied values become ZERO.Ans, K.K.GARG,India

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Arun Ar
Jul 24, 2014

cos(90) =0 therefore the answer is 0.

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Bazmi Farooquee
Jul 24, 2014

cos(90) =0 therefore the whole answer is 0.

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