4 years ago

Find the exact value of arccos (sin (pi/6). Explain your reasoning.

1 answer:

4 0

We have to find the exact value of: arc cos ( sin ( π /6 ) ).
We know that:
sin ( π/6 ) = sin 30° = 1/2
Arc cos is the inverse function of cosine.
arc cos ( 1/2 ) = 60° = π/3

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