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Popular >

-2/3 cot(pi/4)

Solution

- \frac{2}{3} cot (\frac{π}{4})

Solution

- \frac{2}{3}

+1

Decimal Notation

- 0.66666 \dots

Solution steps

- \frac{2}{3} cot (\frac{π}{4})

Use the following trivial identity:

cot (\frac{π}{4}) = 1

cot (\frac{π}{4})

cot (x)

periodicity table with

πn

cycle:

x 0 \frac{π}{6} \frac{π}{4} \frac{π}{3} \frac{π}{2} \frac{2 π}{3} \frac{3 π}{4} \frac{5 π}{6} cot (x) \mp \infty 31 \frac{3}{3} 0 - \frac{3}{3} - 1 - 3

= 1

= - \frac{2}{3} \cdot 1

Simplify

= - \frac{2}{3}

Popular Examples

sin (\frac{8}{3} π)

0.06e^{-43.1*0.2}sin(90.2352*0.2)

0.06 e^{- 43.1 \cdot 0.2} sin (90.2352 \cdot 0.2)

tan((7pi)/(12))+cot((5pi)/(12))

tan (\frac{7 π}{12}) + cot (\frac{5 π}{12})

sin(arccos(-1)-arccos(1/2))

sin (arccos (- 1) - arccos (\frac{1}{2}))

ln sin (\frac{π}{2})

Frequently Asked Questions (FAQ)

What is the value of -2/3 cot(pi/4) ?
The value of -2/3 cot(pi/4) is -2/3