The value of cos 45° . cos 30° . cos 90° . cos 60° = A) √3/4√2 B) √3/4 C) 0
The value of cos 45° . cos 30° . cos 90° . cos 60° =
A) √3/4√2
B) √3/4
C) 0
D) √3/2√2
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Correct option is: C) 0
cos \(45^\circ\). cos \(30^\circ\). cos \(90^\circ\). cos \(60^\circ\) = \(\frac {1}{\sqrt2}. \frac {\sqrt3}2. 0. \frac 12 = 0\)
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