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Popular >

cot(pi/9)

Solution

cot (\frac{π}{9})

Solution

2.74747 \dots

Solution steps

cot (\frac{π}{9})

Refine to a decimal form

= 2.74747 \dots

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sec(arcsin((2sqrt(5))/5))

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sin (3 5^{\circ}) cos (1 0^{\circ}) + cos (3 5^{\circ}) sin (1 0^{\circ})

Frequently Asked Questions (FAQ)

What is the value of cot(pi/9) ?
The value of cot(pi/9) is 2.74747…