3 years ago

3(2x-1)-2(x 5) jude -me por favor!!!

Mathematics

1 answer:

alexdok [17]3 years ago

6 0

3(2x)+3(-1)+-2(x)+-2(5)

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Harman [31]

Answer:

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Let x = .46

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3 years ago

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tekilochka [14]

Step-by-step explanation:

$\frac{sinA}{1+cosA} +\frac{1+cos}{sinA} =2cosec\\\\\\\frac{sin^{2}A+(1+cos)^{2} }{sinA(1+cosA)} \\\\$

$\frac{sin^{2}A+1+cos^{2}+2cos}{sinA(1+cosA)} \\\\$ and we have $sin^{2}+cos^{2} =1$

so $\frac{1+1+2cosA }{sinA(1+cosA)} \\\\$

$\frac{2+2cosA }{sinA(1+cosA)} \\\\$

$\frac{2(1+cosA)}{sinA(1+cosA)} \\\\$

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Finally $2cosecA$

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