Proving Trigonometric Identities | Fundamental Trigonometric Identities | Formulas | Part 2

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Thank for this lesson po!!

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Thank u so much prof d. Your always a life saver everytime I don't understand our lesson in calculus.

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Salamat po sir!! 🤍

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SABOCO ROSEMARIE O
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Thanks prof. D. Please really need some explanation on differenciation of trig function ❤❤❤❤❤❤

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SalAmat sir meron nanaman akong natutunan.. ❤️

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I got 99 po sa pre cal! Maraming maraming maraming salamat po sa inyo! Super helpful po ng videos niyo po! Thankyou poooo!💛

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another helpful video, thank you so much po!!

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Excited na mamaya..tc

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