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prove that "sin"^4pi/8+"sin"^4(3pi)/8+"s...

prove that `"sin"^4pi/8+"sin"^4(3pi)/8+"sin"^4(5pi)/8+"sin"^4 (7pi)/8=3/2`

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Knowledge Check

  • Simplified value of "sin"^2 pi/16 + "sin"^2 (3pi)/16 + "sin"^2 (5pi)/16 + "sin"^2 (7pi)/16 + "sin"^2 pi/2 is

    A
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    B
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