Multiple Choice Questions on If 8 then what is the value of 2 cos 1 10 2 cos 2 1 10 2cos 1 10 2cos 4 1 10 ........ for NDA Exam Preparation

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Multiple Choice Questions

If 8 then what is the value of 2 cos 1 10 2 cos 2 1 10 2cos 1 10 2cos 4 1 10 ........

Mathematics (NDA) Trigonometry
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    If ,\theta =\pi/8 then what is the value of (2 cos \theta +1)10 (2 cos 2\theta -1)10 (2cos \theta-1)10 (2cos 4\theta -1)10 ?

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