If sin2-8 - sin23-8 - sin25-8 - sin27-8 -m-Find m

sin^2π8 +sin^23π8 +sin^25π8 +sin^27π8 sin^2π8 +sin^23π8 +sin^2(π2+π8) +sin^2(π2+3π8) sin^2π8 +sin^23π8 +c ...

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Properties Derived from Trigonometric Identities

If sin2π/8 ...

Question

If ${sin}^{2} \frac{π}{8} + {sin}^{2} \frac{3 π}{8} + {sin}^{2} \frac{5 π}{8} + {sin}^{2} \frac{7 π}{8} = m$ .Find $m$

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Solution

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Similar questions

{sin}^{2} \frac{π}{8} + {sin}^{2} \frac{3 π}{8} + {sin}^{2} \frac{5 π}{8} + {sin}^{2} \frac{7 π}{8}

{sin}^{2} \frac{π}{8} + {sin}^{2} \frac{3 π}{8} + {sin}^{2} \frac{5 π}{8} + {sin}^{2} \frac{7 π}{8}

Prove that:

$s i n^{2} \frac{π}{8} + s i n^{2} \frac{3 π}{8} + s i n^{2} \frac{5 π}{8} + s i n^{2} \frac{7 π}{8} = 2$

s i n^{2} (\frac{π}{4}) + s i n^{2} (\frac{3 π}{4}) + s i n^{2} (\frac{5 π}{4}) + s i n^{2} (\frac{7 π}{4})

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