3 years ago

Use the reference angles to find the exact value of the expression cot -11 pi/6. Do not use a calculator

Mathematics

1 answer:

laiz [17]3 years ago

7 0

Answer:

$\sqrt{3}$

Step-by-step explanation:

cot(-11pi/6)=cot(-pi-5pi/6)= -cot(5pi/6)=cot(pi/6)= $\sqrt{3}$ ≈1.73

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