angelbaby82 angelbaby82

09-01-2020
Mathematics

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given cos0 = -2/3 and lies in quadrant lll what is the exact value of sin 0 in simplified form ?
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sqdancefan sqdancefan

15-01-2020

Answer:

sin(θ) = -(√5)/3

Step-by-step explanation:

In quadrant III, both sine and cosine are negative. Then the value of interest is ...

sin(θ) = -√(1 - cos(θ)²) = -√(1 -4/9)

sin(θ) = -(√5)/3

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