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marysya [2.9K]
3 years ago
7

Integral of sec (3x) tan (3x) dx

Mathematics
1 answer:
zhannawk [14.2K]3 years ago
5 0
\int {sec (3x)tan(3x)} \, dx= \int { \frac{1}{cos(3x)}* \frac{sin(3x)}{cos(3x)}  } \, dxSubstitution:u=cos(3x), du=-3sin(3x)dx, sin(3x)dx= du/-3 Integral becomes:\frac{-1}{3} *\int { \frac{1}{ u^{2} } } \, du= \frac{-1}{3} \int {u^{-2} } \, du=\frac{ u^{-1} }{3}= \frac{1}{3u}= \frac{1}{3cos(3x)}+C 
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P x 3,700=4,070<br> There was a % percent increase in the number of visitors.
mart [117]

There was 110%  percent increase in the number of visitors.

Percent:

Basically, percentage refers the number or ratio that can be expressed as a fraction of 100.

Given,

p x 3,700=4,070

There was a % percent increase in the number of visitors.

Here we need to find the increase in the percentage.

While we looking into the given question we have identified that,

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So, the value of P is calculated as,

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When we convert this into percent then we get 110% as increase.

To know more about Percentage here.

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1 year ago
Factor each trinomial. Then match the polynomial (term) on the left with its factored form (definition) on the right.
meriva
X² - 8x - 20 factors to give option
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x² + 8x - 20 factors to give option
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8 0
3 years ago
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d1i1m1o1n [39]
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If 3x + 4y = 10 and 2x + 3y = 6, then x + y = ?
zavuch27 [327]

Answer:

x + y = 4

Step-by-step explanation:

Given the 2 equations

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5 0
3 years ago
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