Lafayette Parish School System
Advanced Math Functions Curriculum Map
Unit 1: Trigonometry of Triangles
CC #
Common Core
Evidence / Assessments of learning
Instructional
Notes/Strategies
Differentiation
Student Understandings
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G.SRT.8
The Law of sines
The Law of cosines
Solving of a triangle Using the Law of cosines
Applications using the Law of sines and cosines
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Use trigonometric ratios and the Pythagorean
Theorem to solve right triangles in applied
problems.★
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Supplementary Angle Identity
Area of a Triangle Using the Law of sines
Heron’s Formula
Define six trigonometric ratios of an acute
angle in terms of a right angle
Evaluate trig ratios using triangles/or
calculators
Solve triangles using trig ratios
Solve applications using triangles
7.1 Right Triangle
Trigonometry
Trig Ratio Activity from TI
Geometry: Trig Ratios
Discovery Education Streaming
Videos (search: Right Triangle Trig)
Kuta Software: Evaluate Trig Ratios
Kuta Software: Right Triangle TrigFinding missing sides and angles
Can students determine how right triangle
trigonometry is used to solve right triangles?
www.Mathtv.com/videos_by_topic
Mathbits.com: Degrees, Radians, and
Trig Angle Entries for TI-83 and TI84
Regents Prep: Six Trigonometric
Functions
G.SRT.10
G.SRT.11
Prove the Law of Sines and Cosines and use them
to solve problems.
Understand and apply the Law of Sines and
Cosines to find unknown measurements in right
and non-right triangles.
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Solve oblique triangles using the Law of Sines
Solve real world problems using the Law of
Sines
Solving of Triangles using the Law of Cosines
Applications of the Law of Cosines
Solve real world problems using the Law of
Sines
Supplementary Angle Identitiy
When is it necessary to use the Law of Sines to solve
a triangle? When is it necessary to use the Law of
Cosines to solve a triangle?
7.2 Law of Sines
7.3 Law of Cosines
NCTM Illuminations Activity
Trigonometric Identities,
Equations, and Applications
(pages 28-31 Law of Sines,
Cosines, and Area)
Regents Prep: Laws of Sines
& Cosines
Math Tools: various oblique
triangle resources
Wolfram Interactive Demo:
Lafayette Parish School System
Advanced Math Functions Curriculum Map
Unit 1: Trigonometry of Triangles
CC #
Common Core
Evidence / Assessments of learning
Instructional
Notes/Strategies
Differentiation
Solving Oblique Triangles
Math Warehouse: Law of
Sines
Math Warehouse: Law of
Sines Ambiguous Case
Math Warehouse: Law of
Cosines
Illustrative Math Task: Law
of Cosines: Satellite
Illustrative Math Task: Law
of Cosines: Lighthouse
G.SRT.9
1
ab sin(c) for the area of
2
a triangle by drawing an auxiliary line from a
vertex perpendicular to the opposite side
Derive the formula A 
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Find area of oblique triangles
Can students find the areas of oblique triangles?
7.4 Area of a
Triangle
Math TV (Select:
Trigonometry>Triangles>The
Area of a Triangle)
eHow Video: How to Find
Area of an Oblique Triangle
Math is Fun: Area of
Triangles without Right
Angles
ck-12 Foundation: Derivation
of the Triangle Area Formula