On the unit cirlce, the cosine of an angle is negative whenever the angle falls in the interval
If you recall your special triangles, this cosine occurs for angles of
More generally, this occurs for
For the diagram shown, which angles are corresponding angles ∠3 and ∠7 ∠8 and ∠6 ∠4 and ∠7 ∠3 and ∠5
1 answer:
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On the unit cirlce, the cosine of an angle is negative whenever the angle falls in the interval
If you recall your special triangles, this cosine occurs for angles of
More generally, this occurs for
Problem
Solution
for this case we know that when x =2/3 , y= 6
Then we want to find the value of y= ? when x= 10 1/3 = 31/3 and we can do this:
6/(2/3) = y/(31/3)
And solving for y we got:
y = (3/2) * 6 * (31/3) = 31*3 = 93
C. y= 93
