Math, asked by prashantnautiyal79, 8 months ago

prove that root 2 + root 2+ root 2 cos X = 2cos x

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Answered by sahnigeetika0

0

टेल मी ऑफ क्लास चैप्टर नेम एंड क्वेश्चन प्रॉपर्ली

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