Grade 11 Functions (MCR3U) Unit 4: Trigonometry Trigonometric Identities 1 Mr. Choi © 2018 E. Choi – MCR3U - All Rights Reserved.

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Grade 11 Functions (MCR3U) Unit 4: Trigonometry Trigonometric Identities 1 Mr. Choi © 2018 E. Choi – MCR3U - All Rights Reserved

Formulas (Overview) http://rhhsmath.ca/teachers/choi/TrigFormula.pdf Trigonometric Identities 1 © 2018 E. Choi – MCR4U - All Rights Reserved

Formulas (Overview) http://rhhsmath.ca/teachers/choi/TrigFormula.pdf Trigonometric Identities 1 © 2018 E. Choi – MCR3U - All Rights Reserved

Six Trigonometric Ratios Trigonometric Identities 1 © 2018 E. Choi – MCR3U - All Rights Reserved

Trigonometric Identities 1 © 2018 E. Choi – MCR3U - All Rights Reserved

Trigonometric Identities 1 © 2018 E. Choi – MCR3U - All Rights Reserved

Trigonometric Identities 1 © 2018 E. Choi – MCR3U - All Rights Reserved

Example 1: Example 2: Expand Factor Trigonometric Identities 1 © 2018 E. Choi – MCR3U - All Rights Reserved

Example 3: Express in terms of i) sine and cosine; ii) sine; iii) cosine in simplest form. Think about the graph! Trigonometric Identities 1 © 2018 E. Choi – MCR3U - All Rights Reserved

Example 3: Express in terms of i) sine and cosine; ii) sine; iii) cosine in simplest form. Trigonometric Identities 1 © 2018 E. Choi – MCR3U - All Rights Reserved

Example 3: Express in terms of i) sine and cosine; ii) sine; iii) cosine in simplest form. Trigonometric Identities 1 © 2018 E. Choi – MCR3U - All Rights Reserved

Homework Text Book: Work Sheet: Trigonometric Identities 1 Check the website for updates Trigonometric Identities 1 © 2018 E. Choi – MCR3U - All Rights Reserved

End of lesson Trigonometric Identities 1 © 2018 E. Choi – MCR3U - All Rights Reserved

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