2 years ago

Solve cos 0 = 1 for 0, where 0º = 0 < 90°. A) 60° B) 0° C)90 D)30

Mathematics

1 answer:

german2 years ago

3 0

Answer:

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8 + 4f = 3f solve for f

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Answer:

$f=-8$

Step-by-step explanation:

$8+4f=3f$

$8+4f-4f=3f-4f$ (Subtract $4f$ from both sides of the equation to isolate $f$ )

$8=-f$ (Simplify)

$-f=8$ (Symmetric Property of Equality)

$\frac{-f}{-1} =\frac{8}{-1}$ (Divide both sides of the equation by $-1$ to get rid of $f$ 's coefficient; remember that $-f=-1*f$ , so $-f$ has a coefficient of $-1$ )

$f=-8$ (Simplify)

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