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erastova [34]
3 years ago
13

Sin squared x equals 3 cos squared x

Mathematics
1 answer:
disa [49]3 years ago
7 0
Sin squared x equals 3 cos squared x

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Joshua has a ladder that is 25 ft long....HELP!!
madreJ [45]
For example 1ft = 12in so 12 is the number that you are going to multiply so just multiply 25×12 and that is your answer
7 0
3 years ago
Read 2 more answers
A rectangular room is 5 meters longer than it is wide, and its perimeter is 26 meters. Find the dimension of the room.
amid [387]

Answer:

l=×+5

w=×

p=2(×+5+×)

=2(2×+5)

26=4×+10

26-10=4×

16=4×

×=4

length=5+4=9

width=4

4 0
2 years ago
Complete the sentence below.<br><br> The expression 52x – 169 is equivalent to 13(<br> )
gladu [14]

Answer:

13(4x-13)

if you distribute it then you come back with 52x-169.

7 0
2 years ago
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Question 16 (Essay Worth 7 points)<br><br> Verify the identity.<br><br> tan (x + π/2) = -cot x
Rus_ich [418]

Step-by-step explanation:

We know that tan=sin/cos, so tan(x+π/2)=

\frac{sin(x+pi/2)}{cos(x+pi/2)}

Then, we know that sin(u+v)=sin(u)cos(v)+cos(u)sin(v),

so our equation is then

\frac{sin(x)cos(\pi/2)+cos(x)sin(\pi/2)}{cos(x+\pi/2)}  = \frac{cos(x)}{cos(x+\pi/2) }

Then, cos(u+v)=cos(u)cos(v)-sin(u)sin(v), so our expression is then

\frac{cos(x)}{cos(x)cos(\pi/2)-sin(x)sin(\pi/2)} = \frac{cos(x)}{-sin(x)} = -cot(x)

6 0
3 years ago
What is 26/48 simplest form
Phoenix [80]

Answer:

13/14

Step-by-step explanation:

The GCF between 26 and 48 is 2. So divide 26/2=12 and 48/2=13  13/14. And after that you can not simplify anymore so 13/14 is 26/48 in it's simplest form.


Hope it helps!

5 0
3 years ago
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