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Find the smallest positive rational number r  such that

\(\sum_{k=1}^{35}\sin (5k)^\circ = \tan r^\circ \)

 Apr 14, 2020
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sumfor(k, 1, 35, (sin(5*k)) =tan(r)

 

r = 87 1/2 Degrees.

 Apr 14, 2020

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