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Finding values of half angles given an initial trig ratio and quadrant.

Using the half angle identities to find the exact values using known angles from the unit circle.

Using the double angle identities to find values in triangles and verify.

Using the sum & difference identities to find exact values as well as verifying using these identities.

Drawing triangles in the correct quadrant and using their values to find sums and differences.

Using trig identities to simplify trig equations to solve.

Verifying trig expressions using identities.

Simplifying more difficult trig expressions many involving needing a least common denominator (LCD).

Deriving the Pythagorean Identities and using these identities and Reciprocal identities to simplify basic identities.

Using the calculator to approximate answers to trigonometric equations.

Solving trigonometric equations using graphs and algebraically using values from the unit circle.

Transforming the parent function graphs of secant, cosecant, tangent, and cotangent.

Looking at the graphs of the parent functions of cosecant, secant, tangent, and cotangent.

Understanding the restrictions of the inverses of cosine, sine, and tangent and why the calculator gives specific answers.

PC Activity 17 Pt. 3 - Writing Sine & Cosine Equations

PC Activity 17 Pt. 2 - Graphing Period Change Sine & Cosine

PC Activity 17 Pt. 1 - Graphing Sine/Cosine & Basic Transformations

PC Activity 16 Pt. 3 - Finding All 6 Trig Functions

PC Activity 16 Pt. 2 - Reference Angle Families & Reciprocals on Unit Circle

PC Activity 16 Pt. 1 - The Unit Circle

HPC Lesson 17.1 (2024-2025)

PC Activity 15 - Periodic Functions

PC Activity 14 Pt. 3 - Reference Triangles

PC Activity 14 Pt. 2 - Radian Measure

PC Activity 14 Pt. 1 - Sketching & Stating Angle Measure

HPC Activity 15 (2024-2025)

PC Activity 13 Pt. 5 - Rational Inequalities

PC Activity 13 Pt. 4 - Slant Asymptotes

PC Activity 13 Pt. 3 - Sketching Rational Graphs