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3 years ago

Please help me I have been stuck for a while

Mathematics

1 answer:

Elden [556K]3 years ago

5 0

Answer:

Step-by-step explanation:

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Is 3/47 a rational number

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4 years ago

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What is the combined weight of all the kittens ?pls help

Doss [256]

Answer:

4 lbs

Step-by-step explanation:

1/4 x 4 =1

1/2 x 2= 1

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3 years ago

Help with math homework chapter 1 practice

Nataly_w [17]

Answer:

P+C = R R = $870

Step-by-step explanation:

Hi!

P= R-C

+C +C

P+C = R

P= $350 C= $520

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4 years ago

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Sin∅=√3-1/2 find approximate value of sec∅(sec∅+tan∅)/1+tan²∅

Neko [114]

Answer:

The approximate value of $f(\theta) = \frac{\sec \theta \cdot (\sec \theta+\tan \theta)}{1+\tan^{2}\theta}$ is 1.366.

Step-by-step explanation:

Let $f(\theta) = \frac{\sec \theta \cdot (\sec \theta+\tan \theta)}{1+\tan^{2}\theta}$ , we proceed to simplify the formula until a form based exclusively in sines and cosines is found. From Trigonometry, we shall use the following identities:

$\sec \theta = \frac{1}{\cos \theta}$ (1)

$\tan\theta = \frac{\sin\theta}{\cos \theta}$ (2)

$\cos^{2}+\sin^{2} = 1$ (3)

Then, we simplify the given formula:

$f(\theta) = \frac{\left(\frac{1}{\cos \theta} \right)\cdot \left(\frac{1}{\cos \theta}+\frac{\sin \theta}{\cos \theta}\right) }{1+\frac{\sin^{2}\theta}{\cos^{2}\theta} }$