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How do you proof the formula sin2A equals 2sinAcosA?
First, note that sin(a+b)=sin(a)cos(b)+sin(b)cos(a)[For a proof, see: www.mathsroom.co.uk/downloads/Compound_Angle_Proof.pptFor the case of b=a, we have:sin (a+a)=sin(a)cos(a)+sin(a)cos(a)sin (2a)=2*sin(a)cos(a)
How many inches equal a 30 percent incline?
It depends on how high and long the incline is. you need to use cos, sin, and tan to figure it out
Why Faraday's law and Lenz's law involved in generating AC current?
because its use formula from his father's law..
Why are adds awesome?
cos were on the bloody tv
What is the least busy day to fly?
MONDAY!!!!!!!!!!!!!!!!!!!!!!!!!!!! Actually i think... Not, Thursday cos that's late night shopping so lots of people will be out on their broomsticks. Not Sunday cos that's a boring day. Not Friday or Saturday cos everyone will be out partying. Not Monday cos... it's just Monday. So that leaves either Tuesday or Wednesday to go flying. Okay ?
