Please help quickly !!!!!!!

Mathematics

1 answer:

telo118 [61]3 years ago

5 0

Answer:

the first one

Step-by-step explanation:

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A square centimeter is the area covered by a square whose sides are 1 meter long.

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The correct answer is: [B]: "False" .
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Note: A "square centimeter" is the area covered by a square whose sides are:
"1 centimeter" long.
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Note: A "square meter" is the area covered by a square whose sides are:
"1 meter" long.
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3 years ago

Evaluate the integral. (remember to use absolute values where appropriate. Use c for the constant of integration.) 5 cot5(θ) sin

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$I=5\int \frac{cos^{4}\theta }{sin\theta }\times cos\theta d\theta \\\\I=5\int \left ( 1-sin^{2}\theta \right )^{2}\times \frac{cos\theta }{sin\theta }d\theta \\put\ \sin\theta =t\\\\dt=cos\theta d\theta \\\\I=5\int\frac{t^{4}+1-2t^{2}}{t}dt\ \ \ \ \ \ \ \ \ \ \because (a-b)^2=a^2+b^2-2ab\\\\I=5\left ( \int t^{3}dt + \int \frac{1}{t} -2\int t \right )dt$