How is cos theta is equal to 2 X cos^2 theta /2
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Answer:
bhai ye theta kya hota hai ..................
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Explanation:
zys|"('*'( 80909 0 6746#37567377g70sr7s84w95r70f9y ob pj hovi0x8xficogv m blphvvozufn bkk0h
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