saraharbs saraharbs
  • 15-05-2021
  • Mathematics
contestada

Evaluate cos0 if sin0= sqrt(5)/3

a. 9/5
b. 2/3
c. 5/9
d. 3/2

Respuesta :

msm555
msm555 msm555
  • 15-05-2021

Solution given:

[tex] \sin( \alpha ) = \frac{\sqrt{5} }{3}[/tex]

so

P=√5

h=3

b=[tex] \sqrt{3 {}^{2} - \sqrt{5} {}^{2} } [/tex]

b=2

so

[tex] \cos( \alpha ) = \frac{b}{h} = \frac{2}{3} [/tex]

Note

[tex] \alpha = 0[/tex]

b:⅔

Answer Link
Аноним Аноним
  • 28-06-2022
  • sinØ=√5/3

Perpendicular=√5

Hypotenuse=3

Base

  • √(3)²-(√5)²
  • √9-5
  • √4
  • 2

CosØ

  • Base/Hypotenuse
  • 2/3
Answer Link

Otras preguntas

Which of the following is considered a cause of inflation? Wages go down. Producers raise prices to meet higher costs. There is not enough money in the economy.
describe georgia's location
what volume does 18.0g of bromine occupy?
Find two consecutive even intergers such that the smaller added to four times the larger gives a sum of 38
What is the radius of the circle given the equation x 2 - 6x + y 2 + 10y - 2 = 0?
Example of symbolism in “The Color of Water”
Why does Romeo drink the poison he's obtained from the apothecary? He does not know it is poison. He is going to be executed. He thinks Juliet is dead. He
how do you simply equations?
Select the correct answer. What is motif in literature? a recurring literary element in a story an idea or perspective in a story a personal opinion expressed i
Astronomers are telling people to be