Para x=60°, calcule o valor de y= senx . cos x . tg x . cossec x. 5.cos x .... Pergunta de ideia deEdwirgesGarcia

October 2019 1 109 Report

Para x=60°, calcule o valor de y= senx . cos x . tg x . cossec x. 5.cos x .

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raulmellosilvap6mp3i sen x= $\frac{√3}{2}$
cos x= $\frac{1}{2}$
tg x=√3
cossec x= $\frac{2√3}{3}$

Y= $\frac{√3}{2}$ × $\frac{1}{2}$ ×√3× $\frac{2√3}{3}$ ×5× $\frac{1}{2}$

Y= $\frac{3}{4}$ × $\frac{2√3}{3}$ × $\frac{5}{2}$

Y= $\frac{3}{4}$ × $\frac{10√3}{6}$

Y= $\frac{30√3}{24}$

Y= $\frac{15√3}{12}$

Y= $\frac{5√3}{4}$

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