If sin2-10 - sin22-5 - sin23-5 - sin23-5 - sin29-10-m-Find m

sin^2(π/10)+sin^2(2π/5)+sin^2(3π/5)+sin^2(9π/10)=m or >m= sin^2(π/10)+sin^2(9π/10)+sin^2(2π/5)+sin^2(3π/5) =sin^2(π/10)+sin^2π #10;(π/10)+sin ...

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Trigonometric Ratios for Sum of Two Angles

If sin2π/10...

Question

If ${sin}^{2} \frac{π}{10} + {sin}^{2} \frac{2 π}{5} + {sin}^{2} \frac{3 π}{5} + {sin}^{2} \frac{3 π}{5} + {sin}^{2} \frac{9 π}{10} = m$ .Find $m$

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