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mestny [16]
3 years ago
15

Find the exact value of the expression

Mathematics
1 answer:
Serhud [2]3 years ago
6 0

Answer:

The answer to your question is the letter C

Step-by-step explanation:

Data

sec Ф = 9/2

tan Ф = ?

To solve this problem use trigonometric functions.

1.- The first condition is that the angle must be in the fourth quadrangle

(270° < Ф < 360°).

2.- Write the trigonometric function sec.

           sec Ф = hypotenuse / adjacent side   and sec Ф = 9/2

then, hypotenuse = 9   adjacent side = 2

3.- Use the Pythagorean theorem to find the adjacent side.

           Hypotenuse² = Opposite side² + Adjacent side²

-Solve for Opposite side

            Opposite side² = Hypotenuse² - Adjacent side sie²

-Substitution

            Opposite side² = 9² - 2²

-Simplification

            Opposite side² = 81 - 4

            Opposite side² = 77

            Opposite side = √77

4.- Find the tan Ф

             tan Ф = Opposite side/Adjacent side

-Substitution

             tanФ = -√77 / 2    It is negative because in the fourth quadrangle

                                           tan is negative.

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15 points to answer this question
Mamont248 [21]

it is none since there is no relation

4 0
4 years ago
Read 2 more answers
❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️
leva [86]

Answer:

The answer is 4.802 × 10⁷

Step-by-step explanation:

48020000 = 4.802 × 10⁷

Thus, The answer is 4.802 × 10⁷

<u>-TheUnknownScientist</u>

3 0
3 years ago
Solve the equation 9x-9x²=3+x+x².
scZoUnD [109]

My answer is in the pic

7 0
4 years ago
In Littletown, the probability that a baseball team goes to the city playoffs is 0.30. the probability that the team goes to the
salantis [7]

THIS IS THE COMPLETE QUESTION BELOW;

In Littletown, the probability that a baseball team goes to the city playoffs is 0.30. the probability that the team goes to the state playoffs given that the team goes to the city playoffs is 0.20.

What is the probability that a randomly selected team from Littletown goes to the city and state playoffs?

A. 0.10

B.0.50

C. 0.66

D. 0.06

Answer:

OPTION D is correct

d)0.06

the probability that a randomly selected team from Littletown goes to the city and state playoffs is 0.06

Step-by-step explanation:

The probability that a baseball team goes to city playoffs is 0.30.

P(baseball team goes to city playoffs)=0.30

The probability that the team goes to state playoffs given that the team goes to the city playoffs is 0.20.

P(team goes to state playoffs given that the team goes to the city playoffs)=0.20

From our knowledge of set, we know that

P(A | B)= P(A ∩ C)/P(C)

where A= city playoffs

B= state playoffs

P(State play off | city play off)=0.20

P(State play off ∩ city play off)/P(city play off,)=0.20

P(State play off ∩ city play off)/0.30 =0.20

P(State play off ∩ city play off)= 0.30 × 0.20

= 0.06

Hence,the probability that a randomly selected team from Littletown goes to the city and state playoffs is 0.06

7 0
3 years ago
Tamika has a spinner with 5 equal sections- red, blue, yellow, and purple. she plans to pin it 150 times predict how many times
Alexxandr [17]

Number times landing on green) = 150 * 1/5 = 30

Number times landing on yellow = 150 * 1/5 = 30

Answer 60 times

6 0
3 years ago
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