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Lady_Fox [76]
3 years ago
10

Sin A Cos B - Cos A Sun B =

Mathematics
1 answer:
vladimir2022 [97]3 years ago
4 0

Answer:

\large{\boxed{\sin\alpha\cos\beta-\cos\alpha\sin\beta=\sin(\alpha-\beta)}}

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KATRIN_1 [288]

let's say "x" is how old he will be in 2016, so in 2010, 6 years earlier, he's 4/5 ths of that age in 2016, or namely in 2010 he's (4/5)x.  Since we know his total age in 2016 is "x", then if we just add 6 more years to (4/5)x, we'll get his age in 2016, or

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2 years ago
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Setler79 [48]
4. x^2 = 49  so x = +/- 7

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6.x^2 = 225
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8 0
3 years ago
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