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makkiz [27]
2 years ago
14

Hello, please answer the following

Mathematics
2 answers:
zhannawk [14.2K]2 years ago
4 0

Answer:

im not ok really and i don't know

Step-by-step explanation:

nikdorinn [45]2 years ago
4 0
I’m decent.
I’m good I have to much work.
Have an nice day:)
Btw I see you’re an my hero academia fan by you’re profile picture season 5 is coming in March 27
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How can csc^2-cot^2 = 1?
Softa [21]

ANSWER

By simplifying the left hand side using the Pythagorean Identity.

EXPLANATION

The given identity is

\csc^{2} (x) -  \cot^{2} (x) = 1

Take the left hand side and simplify to get the right hand side.

\csc^{2} (x) -  \cot^{2} (x) =  \frac{1}{\sin^{2} (x)}  - \frac{ \cos^{2} (x)}{\sin^{2} (x)}

Collect LCM for the denominators.

\csc^{2} (x) -  \cot^{2} (x) =  \frac{1 -  \cos^{2} (x)}{\sin^{2} (x)}

Recall the Pythagorean Identity.

\cos^{2} (x) +  \sin^{2} (x) = 1

This implies that:

1 -  \cos^{2} (x) =  \sin^{2} (x)

We substitute this to get,

\csc^{2} (x) -  \cot^{2} (x) =  \frac{\sin^{2} (x)}{\sin^{2} (x)}

\csc^{2} (x) -  \cot^{2} (x) = 1

6 0
3 years ago
A rectangular prism has a volume of 729 ft3. The length width and height are all the same. What is the is the length of each sid
swat32

Answer:

9 ft

Step-by-step explanation:

As length, width and height are same, then it is a square prism / cube

Volume of prism = 729 ft³

side³ = 729

side³ = 9³

Side = 9 ft

3 0
3 years ago
Read 2 more answers
Calculate: <br><br> 462 grams(g)=____milligrams (mg)
egoroff_w [7]

Answer:

462 000mg

Step-by-step explanation:

1gram = 1000milligrams

Hence...462 grams...,

; 462 × 1000 = 462 000mg

3 0
3 years ago
2.<br> Given that a = 7, b = 5 and c = 5.<br> Find the square root of<br> 3a + 2b + c
ollegr [7]

Step-by-step explanation:

3a + 2b + c  =  3(7) + 2(5) + 5 \\  = 21 + 10 + 5 \\  = 36 \\  \sqrt{3a + 2b + c}  =  \sqrt{36}  \\  = 6

5 0
3 years ago
Complete the table 3 5 8 ? 12
nadya68 [22]
4 is the answer........
8 0
3 years ago
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