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vivado [14]
2 years ago
8

Simplify

os^2x}{sin x}" alt="\frac{sin^2x+cos^2x}{sin x}" align="absmiddle" class="latex-formula">

Mathematics
2 answers:
adell [148]2 years ago
8 0

Answer:

cosec x

(or csc x)

Step-by-step explanation:

<u>Trig Identities</u>

\sf \sin^2 x + \cos^2 x=1

\sf \dfrac{1}{\sin x}=cosec\: x

Therefore,

\begin{aligned}\implies \sf \dfrac{\sin^2x + \cos^2x}{\sin x} &= \sf\dfrac{1}{\sin x}\\\\ & = \sf cosec\:x \end{aligned}

Genrish500 [490]2 years ago
5 0

Let's see

\\ \rm\Rrightarrow \dfrac{sin^2x+cos^x}{sinx}

  • sin²x+cos²x=1

\\ \rm\Rrightarrow \dfrac{1}{sinx}

\\ \rm\Rrightarrow cosecx

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Anna invests $7,000 in an account that compounds interest continuously and earns 7.5%. How long will it take for her
NeX [460]

Answer:

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Step-by-step explanation:

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In which P(0) is the initial investment and r is the interest rate, as a decimal.

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This means that P(0) = 7000, r = 0.075

How long will it take for her money to reach $105,000?

This is t for which P(t) = 105000.

P(t) = P(0)e^{rt}

105000 = 7000e^{0.075t}

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\ln{e^{0.075t}} = \ln{15}

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3 years ago
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