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X=Cos1°.cos2°cos3°... Cos89° And Y=cos2°.cos6°.cos10°... Cos86° And given that 2 a =(X/Y) 2/7 then find the value of a?

X=Cos1°.cos2°cos3°... Cos89°
And Y=cos2°.cos6°.cos10°... Cos86°
And given that 2a=(X/Y) 2/7 then find the value of a? 

Grade:11

1 Answers

Harshit Singh
askIITians Faculty 5964 Points
4 months ago
Dear Student

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