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Find the exact value of arccos (sin (pi/6)). For full credit, explain your reasoning.
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Find the exact value of arccos (sin (pi/6)). For full credit, explain your reasoning.

User Kevindeleon
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arc cos ( sin ( π/6 ) ) = ?
sin ( π / 6 ) = 1/2
arc cos ( 1/2 ) = π/3 = 60°
User Thomas Ibbotson
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