shayshay7874
03.07.2019 •
Mathematics
See image! which of the following expressions is equal to the value of x?
a) 0.9(sin50)
b) (sin50)/0.9
c) 0.9(cos50)
d) (cos50)/0.9
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Ответ:
A) 0.9(sin50)
Step-by-step explanation:
Since this is a right triangle, we can use
sin a = opposite side/ hypotenuse
sin 50 = x /.9
Multiply each side by .9
.9 * sin 50 = x/.9 * .9
.9 (sin 50) = x
Ответ:
Hy
here you goo!
1.) B
2.) 125