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FSc Math Book1, Ch 10, LEC 21: Half angle and Triple angle identities

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This video lecture from Trigonometric Identities (F.Sc. first year Mathematics) covers: detailed discussion on concept and proof of half angle and triple angle identities. Find more e-learning material and educational video lectures in Urdu at These videos are free to use for promotional and commercial purpose by keeping the credits to Maktab.

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