1. Revision of Class 10th Formulas || Sign Convention in Trigonometry || ASTC Rule || No DPP BY Tarun Khandelwal Sir
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2. Radian measure of an Angle || Formulas for Negative Angle || Allied Angles & their Formulas || No DPP BY Tarun Khandelwal Sir
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3. Trigonometric Table for standard angles || Formulas for Compound Angles || Important Problems BY Tarun Khandelwal Sir
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4. Problems on Double Angles || Formulas for Double Angles || Formulas for Triple Angles BY Tarun Khandelwal Sir
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5. Formula for multiple & submultiple angles || Value of Sin 18° & Cos 36° || Important Problems BY Tarun Khandelwal Sir
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6. Factorization Formulas || De-Factorization Formulas || Important Problems BY Tarun Khandelwal Sir
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dpp solution 02 BY Tarun Khandelwal Sir
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dpp solution 03 BY Tarun Khandelwal Sir
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7. Some Extra Formulas || Some Extra Formulas-Double Angles || Sum of Sines/cosines of n angles in AP BY Tarun Khandelwal Sir
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