What is cot(arccos(u)) ?

The solution to cot(arccos(u)) is (usqrt(1-u^2))/(1-u^2)

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simplify cot(arccos(u))

simplify

cot (arccos (u))

\frac{u 1 - u ^{2}}{1 - u ^{2}}

Solution steps

cot (arccos (u))

Use the following identity:

cot (arccos (x)) = \frac{x 1 - x ^{2}}{1 - x ^{2}}

= \frac{u 1 - u ^{2}}{1 - u ^{2}}

cot (4 5^{\circ} + x)

cos (arcsin (20 x))

sin (18 0^{\circ} + a)

3 sin (2 x + \frac{π}{3})

sin (18 0^{\circ} + θ)

What is cot(arccos(u)) ?
The solution to cot(arccos(u)) is (usqrt(1-u^2))/(1-u^2)