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Popular Trigonometry >

tan((7pi)/9)

Solution

tan (\frac{7 π}{9})

Solution

- 0.83909 \dots

Solution steps

tan (\frac{7 π}{9})

Refine to a decimal form

= - 0.83909 \dots

Popular Examples

arctan((12.1024)/(12))

arctan (\frac{12.1024}{12})

tan (7 1^{\circ})

cos(arcsin(5/13)+arctan(7/24))

cos (arcsin (\frac{5}{13}) + arctan (\frac{7}{24}))

cot((3pi)/(11))

cot (\frac{3 π}{11})

sin((11pi)/6)+cos((5pi)/3)

sin (\frac{11 π}{6}) + cos (\frac{5 π}{3})

Frequently Asked Questions (FAQ)

What is the value of tan((7pi)/9) ?
The value of tan((7pi)/9) is -0.83909…