Multiple Choice Question: Find the exact value of $\cos [ \, \arcsin (2/3) \, ]$.

Find the exact value of $\cos [ \, \arcsin (2/3) \, ]$.

A. $\sqrt{5} / 2$	C. $\sqrt{5} / 3$
B. $3 / \sqrt{5}$	D. $5 / \sqrt{5}$

Jhun Vert Sat, 06/15/2024 - 16:18

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