#trig graphing

[math-journal2]

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31.7.a

Graph one period of the following function, label any graphing features as well as key points.

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*note: desmos doesn’t do asymptotes and I didn’t restrict the domain

Overview

Individual

*i made the picture text and checked my work using desmos.com

[math-journal2]

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31.2

Cosine (cos)

Parent f(x)

Sibling Graphs

Sine and Cosine graphing method is the same aside from the y-value set up.

View this for trig graphing basics.

Review Examples

[Coming Soon!]

[math-journal2]

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2.1.1 example #2

Steps to Understanding

#1 Review Even and Odd Functions

#2 Youtube (if confused)

It explains why sine would be affected and create a horizontal reflection while cosine doesn’t look like it is.

I also see why the entire math department didn’t teach this lol. That a small part but it would stump so many students.

*program: desmos

[math-journal2]

2.1.1 example #1

Graph in Desmos

Use x= __ to see what y-value your x-approximation intersects.

Note: I ignored my own rules for graphing // forgot arrows to show continuity

Program: desmos

[math-journal2]

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31.1

Sine (sin)

Parent f(x)

Concepts

Note: examples below used desmos

Learning Examples

Example #2

Answer

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Review Examples

Examples #1

Answer

Example #3

Answer (later)