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Mathematics
List of top Mathematics Questions on Trigonometric Identities asked in KEAM
If
$cos x = -\frac{4}{5}$
, where
$x\in\left[0, \pi\right]$
, then the value of
$cos \left(\frac{x}{2}\right)$
is equal to
KEAM
Mathematics
Trigonometric Identities
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