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Vedmedyk [2.9K]
2 years ago
7

Write the ratio for each: Sin=?/? Cos=?/? tan=?/?

Mathematics
1 answer:
Sav [38]2 years ago
4 0
Sin=opposite side/hypotenuse
cos=adjacent side/hypotenuse
tan=sin/cos or opposite/adjacent
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What is the inverse of the functionf(x)=2x+1
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To find the inverse you have steps
1. replace f(x) with y
2. swich x and y places
3. solve for y
4. replace y with f⁻¹(x) (read 'f inverse')

so we have
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replace f(x) with y
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switch x and y
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solve for y
x=2y+1
subtract 1
x-1=2y
divide both sides by 2
\frac{x-1}{2}=y
y=\frac{x-1}{2}
repplace y with f⁻¹(x)
f⁻¹(x)=\frac{x-1}{2}



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