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3 years ago

How do i find sin^-1(cos(pi)) and answer in radians in terms of pi

1 answer:

7 0

We have to find sin^(-1) ( cos π ).
cos π = cos 180° = - 1
sin^(-1) ( - 1 ) = 270° = 3 π / 2
Answer:
sin ^
sin^(-1)( cos π ) = 3 π / 2

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Solve the inequality. Graph the solution.<br> 7z< -28

Zepler [3.9K]

Answer: The answer is -9

Step-by-step explanation:

7z<-28= -9

Because we take the -28 and add 19 because that's the common denominator and we come up with -9

6 0

3 years ago

. Find their present ages. 6 years ago a man's age was six times the age of his son. 4 years hence, thrice his age will be equal

ddd [48]

<u>The present age of the man is 36 years and his son is 11 years.</u>

Answer:

Solution given:

let the age of man be x.

and his son be y.

By question

x-6=6(y-6)

x=6y-36+6

x=6y-30. ......(1)

and

3(x+4)=8(y+4)

3x+12=8y+32

3x=8y+32-12

3x=8y+20. ...(2)

substituting value of x in equation 2 ,we get

3(6y-30)=8y+20

18y-90=8y+20

18y-8y=90+20

10y=110

y=110/10

y=11 years

again substituting value of y in equation 1 we get

x=6*11-30

x=66-30

x=36 years

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2 years ago

21+77 using gcf and distributive property pls

defon

Step-by-step explanation:

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Nana76 [90]

Answer: A,E

Explanation: i just sacrificed my answer to find the right answer

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3 years ago

How to solve Increase $24 by a half of $36

seraphim [82]

36 divided by 2 = 18 and 18 + 24 = 42

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3 years ago