You just need to know that all sides need to have the same measurement because it is a equilateral triangle.
Answer:
Step-by-step explanation:
put x=r cos θ
y=r sin θ
r²cos²θ-r²sin²θ=3rsin θ
r²(cos²θ -sin²θ)=3r sin θ
r²cos 2θ=3rsinθ
r cos 2θ=3 sin θ
r=3sec 2θ sin θ
Answer:
no this is because 28-8+9=29 and 20-9=11
Step-by-step explanation:
Answer:
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Step-by-step explanation:
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