Evaluate cos-cos -1-3-2-6-

We have, cos[ cos^ 1 ( √(3)/2 )+π/6 ] =cos [ cos^ 1 ( cos5π/6 )+π/6 ] {∵ cos^ 1 cos x=x; x ∈[0,π] } =cos ( 5π/6+π/6 ) =cos ( 6π/6 ) =cos (π)= 1 ...

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Formation of a Differential Equation from a General Solution

Evaluate cos[...

Question

Evaluate cos $[c o s^{- 1} (\frac{- \sqrt{3}}{2}) + \frac{π}{6}] .$

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