Name: Trigonometry - Overview and Identities (22 of 35) cos(4theta) Derived | Videos | Gan Jing World - Technology for Humanity | Video & Movie Streaming
Uploaded: 2023-12-11T23:37:46.774Z
Duration: 5 min 45 s
Description: Visit http://ilectureonline.com for more math and science lectures! To donate: http://www.ilectureo... | Videos | Gan Jing World - Technology for Humanity | Video & Movie Streaming

Michel van Biezen

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We will derive cos(4theta)= 8[cos(theta)]^4-8[cos(theta)]^2+1.

Previous video in this series on YouTube:  https://youtu.be/fbGOhbMoTpQ
Title search on other platforms:  Trigonometry - Overview and Identities (21 of 35)  sin(4theta) Derived

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Title search on other platforms:  Trigonometry - Overview and Identities (23 of 35)  sinAsinB Derived

Trigonometry - Overview and Identities (22 of 35) cos(4theta) Derived

Michel van Biezen

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