sin (107π/6) + cos (37π/3) = ?
sin (107π/6) + cos (37π/3) = sin (-π/6) + cos (-π/3) = - +
= 0
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sin (107π/6) + cos (37π/3) = ?
sin (107π/6) + cos (37π/3) = sin (-π/6) + cos (-π/3) = - +
= 0