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Popular Trigonometry >

-cot(pi/4)

Solution

- cot (\frac{π}{4})

Solution

- 1

Solution steps

- 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

= - 1

Popular Examples

sec(3x)=sqrt(2)

cos(2θ)+6sin^2(θ)=4

Frequently Asked Questions (FAQ)

What is the value of -cot(pi/4) ?
The value of -cot(pi/4) is -1