60 results for "circle".

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• Circles - recognising the equation

Recognising the equation of a circle.

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• Equivalent force-couple system

Replace three tangential forces with an equivalent force-couple system acting at the center of a circle.

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Stage 2

• Moment of inertia: semicircle and hole

Find moment of inertia of a shape which requires the use of the parallel axis theorem for a semicircle.

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• Applied modulo arithmetic: degrees around a circle

Applied questions that could be done with modulo arithmetic.

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• Unit circle definition (radians)

Unit circle definition of sin, cos, tan using degrees

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• Pythagorean Identity: find cos given sin

Use $\cos^2\theta+\sin^2\theta=1$ and/or an understanding on the unit circle definitions to determine $\cos\theta$ given $\sin\theta$ and the quadrant theta is in.

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• Pythagorean Identity: find sin given cos

Use $\cos^2\theta+\sin^2\theta=1$ and/or an understanding on the unit circle definitions to determine $\sin\theta$ given $\cos\theta$ and the quadrant theta is in.

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• Unit circle definition of trig functions

Unit circle definition of sin, cos, tan using degrees

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• Graphing: circles - simple recognition of radius and centre

Recognising that $(x-a)^2+(y-b)^2=r^2$ is a circle of radius $r$ with centre $(a,b)$

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• Graphing: circles - recognising the equation

Recognising the equation of a circle.

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