Answer: he must go through 14 floors
Step-by-step explanation: i asked someone
The following expressions (1+cosβ)(1−cosβ)sinβ is equivalent to sin³β
<h3>What are Trigonometric Ratios ?</h3>
In a Right angled triangle , trigonometric ratios can be used to determine the value of angles and sides of the triangle.
The trigonometric expression given in the question is
(1+cosβ)(1−cosβ)sinβ
(a+b)(a-b) = a² - b²
( 1 - cos²β)sinβ
By the trigonometric Identity
1-cos²β = sin² β
sin² β x sin β
sin³β
Therefore Option B is the correct answer.
To know more about Trigonometric Ratio
brainly.com/question/13724581
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- Force=0.02N=F
- Acceleration=a=8m/s^2
- Mass=m
According to Newton's second law
![\\ \sf\longmapsto F=ma](https://tex.z-dn.net/?f=%5C%5C%20%5Csf%5Clongmapsto%20F%3Dma)
![\\ \sf\longmapsto m=\dfrac{F}{a}](https://tex.z-dn.net/?f=%5C%5C%20%5Csf%5Clongmapsto%20m%3D%5Cdfrac%7BF%7D%7Ba%7D)
![\\ \sf\longmapsto m=\dfrac{0.02}{8}](https://tex.z-dn.net/?f=%5C%5C%20%5Csf%5Clongmapsto%20m%3D%5Cdfrac%7B0.02%7D%7B8%7D)
![\\ \sf\longmapsto m=0.0025kg](https://tex.z-dn.net/?f=%5C%5C%20%5Csf%5Clongmapsto%20m%3D0.0025kg)
![\\ \sf\longmapsto m=2.5g](https://tex.z-dn.net/?f=%5C%5C%20%5Csf%5Clongmapsto%20m%3D2.5g)
Done
Answer:
a) 2, 4, 8, 32, 60
b) 2, 4, 32, 64, 120
Step-by-step explanation:
<h3>a)</h3>
The numerator is 1/2 the denominator, or the denominator is 2 times the numerator.
![\dfrac{1}{2}=\dfrac{2}{4}=\dfrac{4}{8}=\dfrac{8}{16}=\dfrac{16}{32}=\dfrac{30}{60}](https://tex.z-dn.net/?f=%5Cdfrac%7B1%7D%7B2%7D%3D%5Cdfrac%7B2%7D%7B4%7D%3D%5Cdfrac%7B4%7D%7B8%7D%3D%5Cdfrac%7B8%7D%7B16%7D%3D%5Cdfrac%7B16%7D%7B32%7D%3D%5Cdfrac%7B30%7D%7B60%7D)
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<h3>b) </h3>
The numerator is 1/4 the denominator, or the denominator is 4 times the numerator.
![\dfrac{1}{4}=\dfrac{2}{8}=\dfrac{4}{16}=\dfrac{8}{32}=\dfrac{16}{64}=\dfrac{30}{120}](https://tex.z-dn.net/?f=%5Cdfrac%7B1%7D%7B4%7D%3D%5Cdfrac%7B2%7D%7B8%7D%3D%5Cdfrac%7B4%7D%7B16%7D%3D%5Cdfrac%7B8%7D%7B32%7D%3D%5Cdfrac%7B16%7D%7B64%7D%3D%5Cdfrac%7B30%7D%7B120%7D)