1,326 prompts matching "Solve the trigonometric equation cos^2(x) - sin^2(x) = 0.5, for 0 <= x <= 360"
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Show All Working: The intersection of a circle and a straight line
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Explain Back: The eccentricity of an ellipse
I have just studied the eccentricity of an ellipse in my SS3 Further Mathematics class. Le
Show All Working: The rectangular hyperbola xy equals c squared
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Worked Example: The interquartile range of a set of ordered data
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Explain Back: The variance of an ungrouped set of data
I have just studied the variance of an ungrouped set of data in my SS3 Further Mathematics
Show All Working: The effect on the standard deviation of adding a constant to every value
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Explain Back: Finding the reaction at each support of a loaded beam
I have just studied finding the reaction at each support of a loaded beam in my SS3 Furthe
Worked Example: Relative velocity when two bodies move along the same line
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Explain Back: The course to steer so that a boat crosses straight over
I have just studied the course to steer so that a boat crosses straight over in my SS3 Fur
Show All Working: The time at which two bodies are nearest one another
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Common Mistakes: The relative displacement of two bodies after a given time
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Worked Example: The common acceleration of two connected particles
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Show All Working: A lift, and the person standing in it
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Common Mistakes: What becomes of the tension when the string goes slack
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Worked Example: The normal reaction on a body resting on a smooth incline
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Explain Back: The angle of friction, and the coefficient of friction
I have just studied the angle of friction, and the coefficient of friction in my SS3 Furth
Show All Working: The angle at which a body just begins to slide
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Common Mistakes: The work done against friction on an incline
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Worked Example: The acceleration of a body moving round a circle at constant speed
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Show All Working: A body in a vertical circle, and the tension at the top
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