Trigonometric Functions and Their Graphs

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Objective

I can match the graphs of sine, cosine, and tangent to their respective trigonometric ratios.

Part 1 of 3

Warm-up video

Unknown Channel · 5:00

We don't generate video — this one is by Unknown Channel on YouTube. The practice questions and exit ticket below were drafted by AI for this objective, and every question is editable in the teacher guide.

Part 2 of 3

Practice

6 questions

1

Explain in your own words what the phrase "SOH CAH TOA" represents and how it can help you remember the definitions of sine, cosine, and tangent.

2

Draw a right triangle and label one of the acute angles as θ. Then, label the hypotenuse, the side opposite to θ, and the side adjacent to θ.

Part 3 of 3

Exit ticket

Quick comprehension check

Which of the following graphs represents cosine of theta? Given that cos(θ) = adjacent/hypotenuse, which ratio represents the cosine function? Given that tan(θ) = opposite/adjacent, which ratio represents the tangent function?

Sample answer included in the free materials

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