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zepelin [54]
3 years ago
8

Explain are you multiply and divide integers?

Mathematics
1 answer:
lord [1]3 years ago
6 0
If you're asking if you can or cannot multiply integers, then yes you can

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Which of the following expression expressions is equivalent to cos3x/sinxcosx?
77julia77 [94]
Correct Option:
Option B

Solution:
The given expression is:

\frac{cos(3x)}{sin(x)cos(x)}

cos(3x) can be written as cos(2x +x). Expanding it, we get:

cos(3x) = cos(2x+x) \\  \\ 
cos(3x) =cos(2x)sin(x)-sin(2x)cos(x)

Using this value of cos(3x) in given equation, we get:

\frac{cos(3x)}{sin(x)cos(x)} \\  \\ 
= \frac{cos(2x)sin(x)-sin(2x)cos(x)}{sin(x)cos(x)} \\  \\ 
= \frac{cos(2x)sin(x)}{sin(x)cos(x)}- \frac{sin(2x)cos(x)}{sin(x)cos(x)}  \\  \\ 
= \frac{cos(2x)}{cos(x)} - \frac{sin(2x)}{sin(x)} \\  \\ 
=sec(x)cos(2x)-csc(x)sin(2x)
8 0
3 years ago
Read 2 more answers
Answer quickly plz im gonna be in trouble<br> :(
Montano1993 [528]

Answer:

64=16(x)

x=4

Step-by-step explanation:

7 0
2 years ago
NEED ANSWER ASAP<br> MARKING BRAINLIEST
neonofarm [45]

Answer:

Step-by-step explanation:

Area of an equilateral triangle = \frac{\sqrt{3}}{4} } a^{2}

Sub in your value of 16ft

A = \frac{\sqrt{3}}{4} }  *16^{2}

A = 110.85 ft^{2}

4 0
2 years ago
How do you determine if 5x-7y=14 is a function?
Pavlova-9 [17]
One way is to graph it and do the vertical line test
it is not a function if we can draw a vertical line in the graph that passes through 2 points of the graph

if we graph this function, we see there is no place we can draw a vertical line and hit the line twice
3 0
3 years ago
Read 2 more answers
Determine the area of the composite figure.
MaRussiya [10]

Answer:

110\ in^2

Step-by-step explanation:

1)\ A_1 = b * h_1 = 10 * 8 = 80\ in^2

2)\ A_2 = \frac{b*h_2}{2} = \frac{10*(14-8)}{2} = \frac{10*6}{2} = \frac{60}{2} = 30\ in^2

3)\ A = A_1 + A_2 = 80 + 30\ in^2 = 110\ in^2

6 0
2 years ago
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