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Popular >

cot((7pi)/2)

Solution

cot (\frac{7 π}{2})

Solution

0

Solution steps

cot (\frac{7 π}{2})

cot (\frac{7 π}{2}) = cot (\frac{π}{2})

cot (\frac{7 π}{2})

Rewrite

\frac{7 π}{2}

as

π \cdot 3 + \frac{π}{2}

= cot (π 3 + \frac{π}{2})

Apply the periodicity of

cot

:

cot (x + π \cdot k) = cot (x)

cot (π \cdot 3 + \frac{π}{2}) = cot (\frac{π}{2})

= cot (\frac{π}{2})

= cot (\frac{π}{2})

Use the following trivial identity:

cot (\frac{π}{2}) = 0

cot (\frac{π}{2})

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

= 0

= 0

Popular Examples

cos (\frac{π}{16})

sec (- \frac{π}{12})

cos (\frac{3}{2})

sin(arcsin((sqrt(3))/2))

sin (arcsin (\frac{3}{2}))

cos(-(sqrt(2))/2)

cos (- \frac{2}{2})

Frequently Asked Questions (FAQ)

What is the value of cot((7pi)/2) ?
The value of cot((7pi)/2) is 0