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Mila [183]
3 years ago
12

which of the following trigonometric expressions are equal? a. sin(theta) b. cos(theta)tan(theta) c. 1/sec(theta) d. csc(theta)

(1-cos^2(theta))​
Mathematics
1 answer:
zimovet [89]3 years ago
5 0

Answer:

A & B

Step-by-step explanation:

cos(theta)tan(theta) can be expressed as;

cos(theta)tan(theta) = cos(theta) × (sin(theta))/cos(theta).

cos(theta) cancels out to give; sin(theta)

Thus is equivalent to option A

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The N71-90 virus will give an infected person a mild rash on their arms once the person has 1 billion of the virus cells in thei
Naya [18.7K]

Answer:

  • B. 256

Step-by-step explanation:

<u>Given function:</u>

  • v(h) = 2^(h/4)

<u>It can be rewritten as:</u>

  • v(d) = 2^d, where d- number of divisions

<u>If number of divisions is 8, then:</u>

  • v(8) = 2^8 = 256 virus cells

Correct choice is B

4 0
3 years ago
Read 2 more answers
On Monday, Harold picked up four donuts and five large coffees for the office staff. He paid $ 6.33  
sveticcg [70]
The equation would be 4x+5y=6.33 and 3x+3y=4.11
so from their you would do the calculations and get 0.52 and 0.85
To make sure the caluclations aare right you just hae to put in the numbers for the x and y
4(0.52)+5(0.85)=6.33
So 1 donutis $).52
1 large coffee is $0.85
6 0
3 years ago
Sam scored 59, 64, and 68 on three tests. How many points should he get on the fourth test to get an average score of 70? A. 63.
olga2289 [7]
To find this out the easy way, add up all the numbers and an answer, then divide by 4.
59 + 64 + 68 + 63.67 = 254.67
254.67/4 = 63.66
A is not correct.
59 + 64 + 68 + 65.25 = 256.25
256.25/4 = 69.25
B is not quite correct.
59 + 64 + 68 + 75 = 266.
266/4 = 66.5
C is not correct.
59 + 64 + 68 + 89 = 280
280/4 = 70.
D.) is the correct answer.
I hope this helps!
6 0
3 years ago
Read 2 more answers
Please answer this thanks
-BARSIC- [3]

Answer:

ED = 32.5

BE = 14.4

Step-by-step explanation:

Ab = 20

AC = AB + 5 = 20 + 5 = 25

AC / AB = 1.25

AB * 1.25 = AC

This means that:

AE * 1.25 = ED

CD / 1.25 = BE

AE * 1.25 = ED

26 * 1.25 = 32.5

CD / 1.25 = BE

18 / 1.25 = 14.4

4 0
3 years ago
Read 2 more answers
Please tell me the answer
Talja [164]

Answer:

a shift 5 units to the left, and then a shift 3 units up.

6 0
2 years ago
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