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Genrish500 [490]
3 years ago
13

Solve for a. 1/5(25−5a)=4−a

Mathematics
1 answer:
aalyn [17]3 years ago
3 0
1/5(25-5a)=4-a
⇔5-a=4-a
<span>NO SOLUTION</span>
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Use basic trigonometric identities to simplify the expression: sin (-x) cos (-x) csc (-x) =?
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Answer:

sin (-x) cos (-x) csc (-x) =cos(x)

Step-by-step explanation:

We know by definition that the cosine is an even function, therefore

cos (-x) = cos (x)

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sin (-x) = -sin (x)

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cscx = \frac{1}{sinx}.

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