1,330 prompts matching "IGCSE Additional Maths Y11: The identity for one minus cos squared — Show All Wo"
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Quiz: The magnitude of the resultant of several coplanar forces
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Explain Back: The forces acting on a body hanging from two strings
I have just studied the forces acting on a body hanging from two strings in my SS3 Further
Spot My Mistake: Drawing the triangle of forces to scale to find an unknown force
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Worked Example: Using the sine rule on the triangle of forces
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Explain Back: The order in which the forces are drawn round the triangle
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Worked Example: Drawing the polygon of forces to scale
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Spot My Mistake: The moment of a force whose line of action is not perpendicular
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Worked Example: The moment of a force about a point on its own line of action
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Quiz: The point about which the total moment of a set of forces vanishes
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Spot My Mistake: Using concurrence to find the direction of an unknown third force
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Quiz: A rod resting against a wall, and the concurrence of its three forces
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Worked Example: Matching each force to the sine of the angle opposite it
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Learn: Finding two unknown forces by Lami's theorem
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Spot My Mistake: Why the probabilities in a distribution must sum to one
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Explain Back: The binomial probability formula
I have just studied the binomial probability formula in my SS3 Further Mathematics class.
Practice: The probability of at least one success
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Spot My Mistake: The proportion of a normal distribution within one, two and three standard deviations
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Practice: The components of a vector given its magnitude and direction
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WAEC Prep: Adding three vectors in component form
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WAEC Prep: Adding two vectors given in component form
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