So this first wants you to find where sin is √3/2 when θ is between π and 3π/2. θ would therefore be located at 2π/3.
Now plug in the value of θ for cosine:
cos (2π/3) = -1/2
And tangent:
tan (2π/3) = -√3/3
We know:


substitute a = -3; b = 7; c = -15
15 miles cause you do 5 times 3 and you get 15 miles
Answer:
8.61%
61.29%
14.86%
20%
Step-by-step explanation:
Answer:
isosceles triangle, base 5 cm, height 8 cm
Step-by-step explanation:
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