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[obm-l] AJUDA



Pre escrever as expressoes abaixo usando as razoes trigonometricas: 

1) 4/COS X + 1/TG X 

2)SEN Q + COS Q / COS Q 

3) 5 + 1/COTG Q 

4) 1/ 3 SEN X + 3 / 2 COSSEC X