Double Angle Question W/Picture. Attached

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- July 2nd 2013, 02:24 PMMelcarthusDouble Angle Question W/Picture.
Double Angle Question W/Picture. Attached

- July 2nd 2013, 06:23 PMProve ItRe: Double Angle Question W/Picture.
Use the Pythagorean Identity to simplify the double angle identity you've been given so far...

, so that means

- July 2nd 2013, 06:55 PMPlatoRe: Double Angle Question W/Picture.
- July 2nd 2013, 07:14 PMProve ItRe: Double Angle Question W/Picture.
Actually I think you'll find , not .

- July 3rd 2013, 03:18 AMibduttRe: Double Angle Question W/Picture.
i think Prove It is just right.

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