Lesson Playlist: Double-Angle and Half-Angle Identities Mathematics • Second Year of Secondary School
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03:58Evaluation a Trigonometric Expression Involving Double-Angle Identities given a Trigonometric Function of an Angle
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03:32Simplifying Trigonometric Expressions Using Double-Angle Identities
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02:41Using Double Angle Identities to Evaluate a Trigonometric Expression
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02:16Selecting a Trigonometric Expression Equal to a given One Using the Cofunction and the Double Angle Identities
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02:53Using Double Angle Identities to Simplify Trigonometric Expressions
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04:24Using the Half Angle Formulas to Find the Exact Value of a Trigonometric Expression
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02:55Evaluating the Sine Function for Double of an Angle given the Tangent Function and the Quadrant of the Angle
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02:22Evaluating the Cosine Function for a Half Angle given the Cosine Function and Quadrant of the Angle
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02:34Simplifying Trigonometric Expressions Using Double-Angle Identities
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01:48Using Double Angle Identities to Evaluate a Trigonometric Expression
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01:40Simplifying Trigonometric Expressions Using Double-Angle Identities
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02:16Using Double Angle Identities to Evaluate Trigonometric Expressions
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02:43Using Double Angle Identities to Evaluate a Trigonometric Expression
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01:57Selecting a Trigonometric Expression Equal to a Given One Using Cofunction and Double Angle Identities
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03:53Evaluating the Sine Function for Half of an Angle given the Tangent Function and the Quadrant of the Angle
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01:37Evaluating the Cosine Function for a Double Angle given the Angle’s Cosine Function and Quadrant
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01:29Simplifying Trigonometric Expressions Using Double Angle Identities
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04:23Using Double Angle Identities to Evaluate Trigonometric Expressions Involving Special Angles
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01:23Simplifying Trigonometric Expressions Using Double-Angle Identities
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02:45Evaluating the Sine Function for Double of an Angle given the Cosine Function and the Quadrant of the Angle
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05:39Using Double Angle Identities to Evaluate a Trigonometric Expression
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02:01Using the Half Angle Formulas to Find the Exact Value of a Trigonometric Expression
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02:24Using the Half Angle Formulas to Find the Exact Value of a Trigonometric Expression
