class 11 Math Trigonometry Solution And Properties Of Triangle

Internal bisector of $∠A$ of triangle ABC meets side BC at D. A line drawn through D perpendicular to AD intersects the side AC at E and the side AB at F. If a, b, c represent sides of $ΔABC$, then

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trigonometric functions

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trigonometric equations

inverse trigonometric function

inverse trigonometric functions

trigonometric ratios and transformation formulas

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