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11.05.2021 •
Mathematics
Solve the equation for exact solutions over the interval [0, 2π).
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Ответ:
Step-by-step explanation:
We want to solve the equation:
First, notice that this is in quadratic form. So, to make things simpler, we can let u = cos(x). Substitute:
Rearrange:
Factor:
Zero Product Property:
Solve for each case:
Back-substitute:
Using the unit circle:
Ответ:
M=-2/-9
M=2/9
y=2/9x+c
let y=3 and x=-4
3=2/9(-4)+c
3=-8/9+c
3+8/9=c
C=35/9
y=2/9x+35/9