The value of expression \( \sum_{\theta=0}^{8} \frac{1}{1+\tan ^{3}(10 \theta)^{\circ}} \) is eq....

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The value of expression \( \sum_{\theta=0}^{8} \frac{1}{1+\tan ^{3}(10 \theta)^{\circ}} \) is equal
\( \mathrm{P} \)
to
W.
(1) 5
(2) \( \frac{21}{4} \)
(3) \( \frac{14}{3} \)
(4) \( \frac{9}{2} \)


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