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Likurg_2 [28]
3 years ago
10

Using Basic trigonometry

Mathematics
1 answer:
Leno4ka [110]3 years ago
6 0
Csc^2(theta) - 1 is equal to cot^2(theta)

therefore,

tan(theta)*cot^2(theta)

tan(theta)*[cot(theta)*cot(theta)]

[tan(theha)*cot(theta)]*cot(theta)

***tan(theta)*cot(theta) equals 1***

1*cot(theta)

cot(theta) [ANSWER]
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A straight line is to a ruler as an angle is to: A. cosine B. two rulers C. protractor D. calculator
Lelechka [254]

Answer:

Protractor

Step-by-step explanation:

You use a ruler to draw a straight line.

You use a protractor to draw an angle.

8 0
3 years ago
Read 2 more answers
A bag contains 6 red marbles, 10 white marbles, and 7 blue marbles. You draw 4 marbles out at random, without replacement. What
Lapatulllka [165]

Answer:

3/1771

Step-by-step explanation:

Probability is the chance or likelihood that an event will occur.

Probability = expected outcome/total outcome

Total outcome = total number of marbles

Total outcome = 6+7+10 = 23marbles

If four marbles are drawn, the probability that they are all red is expressed as;

Pr(picking the first red marble) = 6/23

Since it is without replacement, the total marble becomes 22

Pr(picking the second) = 5/22

Pr(picking the third marbles = 4/21

Pr(picking the 4th marble) = 3/20

Note that the number of red marbles keep reducing and the total marble keep reducing as well.

Pr(picking the 4marbles) = 6/23×5/22×4/21×3/20 (we multiplied because or is an independent events)

Pr(picking the 4marbles) = 360/212520

Pr(picking 4 red marbles) = 72/42504 =36/21,252

= 9/5313

= 3/1771

Hence the probability of picking 4 marbles at random without replacement is 3/1771

4 0
3 years ago
Aiko jumped rope for 20 min and stopped at 8:05 when did she start
andreyandreev [35.5K]

Answer:

7:45

Step-by-step explanation:

8:05 - 0:05=8:00

60-15=45

15+5=20


3 0
3 years ago
Please help me thanks
Harlamova29_29 [7]

Answer:

5\frac{7}{8}

Step-by-step explanation:

You subtract all those distances from 22 to calculate the remaining distance.

22-4\frac{3}{4}= 17\frac{1}{4}

17\frac{1}{4}-5\frac{1}{8}=12\frac{1}{8}

12\frac{1}{8}-0=12\frac{1}{8}

12\frac{1}{8}-6\frac{1}{4}=5\frac{7}{8}

So the answer is 5\frac{7}{8}

(Yes I did these in my head)

7 0
3 years ago
If (x – 3)(x + 5) = 49, then what is the value of the expression (x – 4)(x + 6)?
mina [271]
It’s impossible to do this because…….. so that’s why it’s impossible
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1 year ago
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