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3 years ago

Do you guys know how to answer this?

Mathematics

2 answers:

professor190 [17]3 years ago

5 0

In such equations, if the x has a negative operation after it, the value goes right on the plane. The distance between the two is 1 on the x axis, thus h = 1.

Svetach [21]3 years ago

3 0

Erm..........................nope

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Considering only the values of β for which sinβtanβsecβcotβ is defined, which of the following expressions is equivalent to sinβ

-Dominant- [34]

Answer:

$\tan(\beta)$

Step-by-step explanation:

For many of these identities, it is helpful to convert everything to sine and cosine, see what cancels, and then work to build out to something. If you have options that you're building toward, aim toward one of them.

${\tan(\theta)}={\dfrac{\sin(\theta)}{\cos(\theta)}$ and ${\sec(\theta)}={\dfrac{1}{\cos(\theta)}$

Recall the following reciprocal identity:

$\cot(\theta)=\dfrac{1}{\tan(\theta)}=\dfrac{1}{ \left ( \dfrac{\sin(\theta)}{\cos(\theta)} \right )} =\dfrac{\cos(\theta)}{\sin(\theta)}$

So, the original expression can be written in terms of only sines and cosines:

$\sin(\beta)\tan(\beta)\sec(\beta)\cot(\beta)$

$\sin(\beta) * \dfrac{\sin(\beta) }{\cos(\beta) } * \dfrac{1 }{\cos(\beta) } * \dfrac{\cos(\beta) } {\sin(\beta) }$

$\sin(\beta) * \dfrac{\sin(\beta) \!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!{---}}{\cos(\beta) \!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!{---}} * \dfrac{1 }{\cos(\beta) } * \dfrac{\cos(\beta) \!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!{---}} {\sin(\beta) \!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!{---}}$

$\sin(\beta) *\dfrac{1 }{\cos(\beta) }$

$\dfrac{\sin(\beta)}{\cos(\beta) }$

Working toward one of the answers provided, this is the tangent function.

The one caveat is that the original expression also was undefined for values of beta that caused the sine function to be zero, whereas this simplified function is only undefined for values of beta where the cosine is equal to zero. However, the questions states that we are only considering values for which the original expression is defined, so, excluding those values of beta, the original expression is equivalent to $\tan(\beta)$ .

8 0

2 years ago

Jose's car can drive 12 miles on each gallon of gas. How many gallons will he need to drive 3,298 miles?✱

masya89 [10]

Answer:

274.84 gallons.

Step-by-step explanation:

Divide 3,298 by 12

3298/12 =274.84

6 0

3 years ago

Diagonal cross-section of a sphere produces which two dimensional shape

Leni [432]

Every cross-section of a sphere will be a circle.

Answer: circle

Any further questions about this? Or how I got my answer?

7 0

2 years ago

What is twice 2^30? write using exponents

OlgaM077 [116]

2^31

use the rule that states the product of the same base with different powers you add them

(a^n) times (a^m) = a^(n+m)

5 0

2 years ago

Sin 30= 1. cos 60 2. cos 30 3. sin 60 4. tan 60

NISA [10]

Answer:

cost = 32

Step-by-step explanation:

price = not sure

3 0

2 years ago