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கணிதம்
Class 9
முக்கோணவியல்
21.
கோணத்தை காண்க
Exercise condition:
5
m.
\(\cos \theta\) \(=\)
0.5828
எனில், \(\theta\) வின் மதிப்பு \(=\)
i
°
i
′
.
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