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blagie [28]
4 years ago
13

Sin ( 90 + theta ) = cos theta prove^

Mathematics
1 answer:
liberstina [14]4 years ago
5 0
We will use additional formula:
sin ( 90°+ theta ) = sin 90° * cos(theta) + cos 90° * sin(theta)=
= 1 * cos(theta) + 0 * sin(theta)= cos (theta)           It is proved.
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Round 0.9874 to the greatest non zero place
Anna71 [15]
0.9874 the greatest non zero place is 9 but the nearest digit is 8 when you round it off to 0.9 the answer becomes 1.0
0.9874~1.0
5 0
3 years ago
How do you solve #-(1+7x)-6(-7-x)=36#?
taurus [48]
- (1 + 7x) - 6(- 7 - x) = 36
- 1 - 7x + 42 + 6x = 36
41 - x = 36
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x = 5
7 0
3 years ago
During a raffle drawing,half of the ticket holders will receive a prize.The winners are equally likely to win one of three prize
ololo11 [35]
3oo tickets <span>÷ 2 =
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4 0
4 years ago
A new online music service has a collection of 1,500 songs. It expects to triple the number of songs each year for the next few
Rzqust [24]

Answer: y = (3^(x-1))*1500

Step-by-step explanation:

We want the relationship

y = f(x)

where y is the number of songs, and x is the number of years.

We know that in the first year, x = 1, the site has 1,500 songs.

The next year, x = 2, the number of songs is tripled, then we will have:

1,500*3 = 4500 songs.

The next year, x = 3, we will have: 3*(3*1500) = (3^2)*1500.

when x = 4, the number is tripled again:

3*(3^2)*1500 = (3^3)*1500

We already can see the pattern, for the year x, the site will have:

y = (3^(x-1))*1500 songs.

This is the equation we are looking for.

7 0
3 years ago
Find the inverse of the following functions f(x)=6-3x g(x)=x+2
astraxan [27]
      f(x) = -3x + 6
          y = -3x + 6
          x = -3y + 6
     x - 6 = -3y
       -3       -3
⁻¹/₃x + 2 = y
⁻¹/₃x + 2 = f⁻¹(x)

 g(x) = x + 2
     y = x + 2
     x = y + 2
x - 2 = y
x - 2 = g⁻¹(x)
4 0
3 years ago
Read 2 more answers
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