1,005 prompts matching "Solving an equation by first applying a double angle formula"
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WAEC Prep: Expanding a bracket with a coefficient on x
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Final Revision: Expanding a bracket of the form a plus b over x
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Learn: The formula for the general term of an expansion
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Worked Example: Finding the fifth term of an expansion
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IGCSE Additional Maths Y11: Converting degrees into radians — Worked Example
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IGCSE Additional Maths Y11: Converting radians into degrees — Quiz Me
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IGCSE Additional Maths Y11: A real problem about a fan or a windscreen wiper — Exam Technique
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IGCSE Additional Maths Y11: Giving an exact answer in terms of pi — Exam Technique
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IGCSE Additional Maths Y11: The exact ratios of 30, 45 and 60 degrees — IGCSE Exam Practice
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IGCSE Additional Maths Y11: The amplitude and period read off a sine graph — Worked Example
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IGCSE Additional Maths Y11: The maximum and minimum points of a cosine graph — Quiz Me
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IGCSE Additional Maths Y11: Where the tangent graph is undefined — Practice Set
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IGCSE Additional Maths Y11: The graph of a trigonometric function drawn in radians — Common Mistakes
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IGCSE Additional Maths Y11: Writing tan x in terms of sin x and cos x — Worked Example
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IGCSE Additional Maths Y11: Simplifying an expression down to a single ratio — Quiz Me
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IGCSE Additional Maths Y11: An identity that involves a fraction — Spot My Mistake
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IGCSE Additional Maths Y11: An identity that involves a difference of two squares — IGCSE Exam Practice
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IGCSE Additional Maths Y11: Proving an identity in the Cambridge 'show that' style — Common Mistakes
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IGCSE Additional Maths Y11: The commonest error made in proving an identity — Exam Technique
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IGCSE Additional Maths Y11: Checking that the solutions lie in the stated range — Common Mistakes
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