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Delvig [45]
3 years ago
13

Easy 30 point for brainliest.prove thatsin 5A = 16 sin ^5 A - 20 sin ^3 A + 5 sin A

Mathematics
1 answer:
xenn [34]3 years ago
5 0
Please note that in proving this, I have used trigonometric identities other than just the sine angle-addition formula.

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What is the slope of the line that passes through the points (12,-8) and (-9,-11)
Sauron [17]
Answer: 1/7


Explanation:

1. Use the formula, y2-y1/x2-x1
Plug in the points, (12, -8) and (-9, -11) into the formula.
Point (12, -8): 12 is the X1 and -8 is the y1.
Point (-9, -11): -9 is the X2 and -11 is the y2
So, -11--8/-9-12

2. -11--8/-9-12= -3/-21= 1/7

I hope this helps!!
3 0
3 years ago
For the pair of functions, find the indicated sum, difference, product, or quotient. f(x) = 16 - x2; g(x) = 4 - x Find (f + g)(x
Rudik [331]
(16-x²)+(4-x) or (-x²+16)+(-x+4)

Combine like terms

(-x²+20-x) or (-x²-x+20)
7 0
3 years ago
Read 2 more answers
In math what is imaginary I stand for
ahrayia [7]
Imaginary number is one that when squared gives a negative result. ... With imaginary numbers, when you square them, the answer is negative. They are written like a real number, but with the letter i after them, like this: 23iThe letter i means it is an imaginary number.
4 0
3 years ago
PLEASE HELP and Show your work please!!
bazaltina [42]

9514 1404 393

Answer:

  2)  3 pages per hour

  3)  4/29 km per minute

Step-by-step explanation:

Division by a fraction is the same as multiplication by the inverse of that fraction.

<h3>2) </h3>

  \dfrac{\ \dfrac{9}{4}\ }{\dfrac{3}{4}}=\dfrac{9}{4}\times\dfrac{4}{3}=\dfrac{36}{12}=\boxed{3\text{ pages per hour}}

__

<h3>3) </h3>

  \dfrac{2\text{ km}}{\dfrac{29}{2}\text{ min}}=2\times\dfrac{2}{29}\text{ km/min}=\boxed{\dfrac{4}{29}\text{ km/min}}

8 0
2 years ago
Please please help thanks!
lidiya [134]

Answer:

Step-by-step explanation:

14^3

4 0
3 years ago
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