Browsing by Australian Curriculum Mathematical Methods

Sub-topics:  ACMMM028 review sine, cosine and tangent as ratios of side lengths in right-angled triangles  (0)  ACMMM029 understand the unit circle definition of cosθ, sinθcos⁡θ, sin⁡θ and tanθtan⁡θ and per… (14)  ACMMM030 examine the relationship between the angle of inclination of a line and the gradient … (0)  ACMMM031 establish and use the sine and cosine rules and the formula Area=12bcsinAArea=12bcsin… (0) 

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All trigonometric functions starting from the unit circle
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Angles of the Unit Circle - Degrees
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Beautiful Trigonometry - Numberphile
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Defining the coterminal angle
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Interactive trig graphs
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Interactive Unit Circle - Desmos
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Maths Videos Australia
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Plotting sine and cosine functions by segments animated
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Reading cosine values
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