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OLga [1]
3 years ago
15

Please help!!! 10 points up!

Mathematics
1 answer:
Dimas [21]3 years ago
8 0

Statements are all TRUE

sinA = \frac{a}{c} and cosB = \frac{a}{c}


cscA = 1/sinA = 1/(a/c) = \frac{c}{a} and secB = 1/cosB = 1/(a/c) = \frac{c}{a}

tanA = \frac{a}{b} and cotB= 1/tanB = 1/ (b/a) = \frac{a}{b}


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<img src="https://tex.z-dn.net/?f=2%20%7Bx%7D%5E%7B2%7D%20%20-%205x%20%3D%207" id="TexFormula1" title="2 {x}^{2} - 5x = 7" alt=
FinnZ [79.3K]

Answer:

x = -7/2 or x =1

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