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sin^4(pi/16)+sin^4(3pi/16)+sin^4(5pi/16)...

`sin^4(pi/16)+sin^4(3pi/16)+sin^4(5pi/16)+sin^4(7pi/16)=3/2`

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RESONANCE DPP-JEE MAINS-All Questions
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  3. sin^4(pi/16)+sin^4(3pi/16)+sin^4(5pi/16)+sin^4(7pi/16)=3/2

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