- Joined
- Jun 15, 2006
- Messages
- 24
- Reaction score
- 0
- Points
- 0
- Pre-Dental
hi guys,
Are we required to know Double Angle Formulas, Half Angle Formulas, and sum and differences for sin, cos, tan? Isn't that too much?
Do we have to know this...
Cos2x= cos^2 x - sin^2 x
= 2cos^2 -1
= 1- 2sin^2 x
All those good stuffs 🙄 ... Thanks...
Are we required to know Double Angle Formulas, Half Angle Formulas, and sum and differences for sin, cos, tan? Isn't that too much?
Do we have to know this...
Cos2x= cos^2 x - sin^2 x
= 2cos^2 -1
= 1- 2sin^2 x
All those good stuffs 🙄 ... Thanks...
