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Mazyrski [523]
3 years ago
10

Sin 2A + sin A/1+cos A + cos 2A=tan A

Mathematics
1 answer:
Nezavi [6.7K]3 years ago
7 0

Answer:

= 2sinA.cosA+ sinA / 1+cos2A+ cosA

= sinA(2cosA + 1) / 2cos^2A + cosA

= sinA(2cosA + 1) / cosA( 2cosA + 1)

= sinA / cosA

= tan A

= R.H.S

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For which of the following is x = -5 a solution? Select all that apply.
ser-zykov [4K]

Answer:

b. -x^2 + 50 = 25

c. |2x| = 10

d. x < 0

e. 2x < 10

Step-by-step explanation:

x = -5

-(-5)² + 50

-25 + 50 = 25

|2(-5)| = |-10| = 10

-5 < 0

2(-5) = -10 < 10

8 0
3 years ago
Nate's weekly pay increased from $710 to $770. Which of the following is closest to the
Maksim231197 [3]

Answer:

about 7.2 I think

Step-by-step explanation:

if his pay went up all the way to 770 it would be going up either 7.8 or 7.2

7 0
3 years ago
What does slope mean in math?What does slope mean in math?
brilliants [131]

Answer:

Step-by-step explanation:

One of the most important things to understand about lines is the definition of slope. Slope is the 'steepness' of the line, also commonly known as rise over run. We can calculate slope by dividing the change in the y-value between two points over the change in the x-value.

7 0
3 years ago
Read 2 more answers
Prism A is similar to Prism B. The volume of Prism A is 2720 cm³.
ZanzabumX [31]

Note that  the scale factor of B to A  is  (4 / 8)  =  1/2

So....the volume of B  =

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2720 * 1/8  =

<span>340 cm^3</span>

<span>
</span>

<span>Hope this helps :)</span>

7 0
3 years ago
Read 2 more answers
1 What is the universe made of? ...
makvit [3.9K]

1. big planets and carbon dioxide

2. when god sent adam (the first human being) to earth and had a female with him they got married and gave birth to children and the children marry each other and so on.

3. yes we're the only alive humans within this universe, but outside the universe are god and his worshippers.

4. our human-shaped bodies are the way we feel, hear, look, and do lots more things!

5. when someone feels unlike normal.

6. to feel there's a side of u that can do the impossible.

7. things were passed down from generations so it's possible that "stuff" can be made back when adam came to earth but other than that there was "stuff" even before humanity.

8. yes

other than that, hope u got ur questions solved

8 0
3 years ago
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