Apply trigonometric relationships in solving problems.
Achievement
Students will demonstrate competency in at least two different methods
listed
Length of an arc of a circle,
Area of a sector of a circle, Sine rule, Cosine rule,
Merit
Students will demonstrate competency in at least two different methods and
use at least one type of relational thinking across their solutions.
Solve problems and model situations that require them to apply
trigonometric relationships, including the sine and cosine rules,
in two and three dimensions
solves problems that can be modelled by trigonometric relationships
uses the area formula for triangles and the sine and cosine rules
to solve problems
uses radian measure
Excellence
Students will demonstrate competency in at least twodifferent methods and use extended abstract thinking across
their solutions and answer question
fully relating to the problem.
Arc length and area of sector problems:
-semi-circular cross-section troughs
-security light coverage-radar overlapping areas
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