Quanto que dá sen90° + cos120°/ sen 150°
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Boa tarde Blondie!
Solução!
![\dfrac{Seno(90\º)+Cos(120\º)}{Seno(150\º)}\\\\\
\dfrac{1- \dfrac{1}{2} }{ \dfrac{1}{2} }\\\\\\\\\
\dfrac{\dfrac{2-1}{2} }{\dfrac{1}{2}}\\\\\\\
\dfrac{ \dfrac{1}{2}}{\dfrac{1}{2}}\\\\\\
\dfrac{1}{2}\times \dfrac{2}{1}=1](https://tex.z-dn.net/?f=+%5Cdfrac%7BSeno%2890%5C%C2%BA%29%2BCos%28120%5C%C2%BA%29%7D%7BSeno%28150%5C%C2%BA%29%7D%5C%5C%5C%5C%5C%0A+%5Cdfrac%7B1-+%5Cdfrac%7B1%7D%7B2%7D+%7D%7B+%5Cdfrac%7B1%7D%7B2%7D+%7D%5C%5C%5C%5C%5C%5C%5C%5C%5C%0A+%5Cdfrac%7B%5Cdfrac%7B2-1%7D%7B2%7D+%7D%7B%5Cdfrac%7B1%7D%7B2%7D%7D%5C%5C%5C%5C%5C%5C%5C%0A+%5Cdfrac%7B+%5Cdfrac%7B1%7D%7B2%7D%7D%7B%5Cdfrac%7B1%7D%7B2%7D%7D%5C%5C%5C%5C%5C%5C%0A+%5Cdfrac%7B1%7D%7B2%7D%5Ctimes+%5Cdfrac%7B2%7D%7B1%7D%3D1+++++%0A+ "\dfrac{Seno(90\º)+Cos(120\º)}{Seno(150\º)}\\\\\
\dfrac{1- \dfrac{1}{2} }{ \dfrac{1}{2} }\\\\\\\\\
\dfrac{\dfrac{2-1}{2} }{\dfrac{1}{2}}\\\\\\\
\dfrac{ \dfrac{1}{2}}{\dfrac{1}{2}}\\\\\\
\dfrac{1}{2}\times \dfrac{2}{1}=1")
Boa tarde!
Bons estudos!
Solução!
Boa tarde!
Bons estudos!
JBRY:
Valeu pela melhor resposta! Obrigado!
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