What conditions must be true for two triangles to be congruent?
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What is the value of sin(45°) + cos(60°) - tan(30°) + cot(150°) in the trigonometric table?
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Math question: Given triangle ABC, where angle BAC measures 60° and the angle bisector of angle BAC intersects side BC at point D, if AC = 8 cm and AD = 4 cm, find the length of BD.