Hi there!
From the unit circle, we can locate the two values of sine Ф (y-value of the coordinate) at which sin Ф = √3/2.
The two values are Ф = π/3 and 2π/3.
MATH 1) On a piece of paper, use a protractor to construct a triangle with angle measures of 50° and 70º.
2 answers:
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Answer:
y = 0
Step-by-step explanation:
We assume you want to find y such that ...
- y = 3x +6
- 2x +4y = -4
Dividing the second equation by 2, we can write an expression for x.
x +2y = -2
x = -2y -2
Substituting this into the first equation gives ...
y = 3(-2y -2) +6
y = -6y -6 +6 . . . eliminate parentheses
7y = 0 . . . . . . . . . add 6y
y = 0 . . . . . . . . . . divide by 7
The value of y in the system of equations is 0.
