Trigonometry | Double Angle Formulae - Proof, Worked Examples And Trial Questions
Synopsis
Answers: 1. (i) 3Sin x - 4Sin³x (ii) (3tanx - tan3x)/(1 - 3tan2x) 2. (i) 24/25 (ii) 7/25 (iii) 24/7.
You Might Also Like
Download Options
Choose a download method below. All links open in new tabs.
| Service | Features | Action |
|---|---|---|
| Ssvid |
MP4 & MP3 • HD Quality • Browser Extension Available
|
Download |
| SaveFrom |
MP4 & MP3 • HD Quality • Browser Extension Available
|
Download |
Security Notice: These are third-party services. We recommend using antivirus software and being cautious of pop-up ads.