1. sen (\frac{\pi}{2}) + cos (\frac{\pi}{3}) - sen (\frac{3\...

sen (\frac{\pi}{2}) + cos (\frac{\pi}{3}) - sen (\frac{3\pi}{4}) =

Resposta

$1. sen (\frac{\pi}{2}) + cos (\frac{\pi}{3}) - sen (\frac{3\pi}{4}) =$

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