jimC

07-17-2008, 09:18 PM

theta=(T) degrees=(D)

1)prove:tan(T)-cot(T)/tan(T)+cot(T)=2sin^2(T) - 1

2)prove:1-cos(T)/sin(T)=sin(T)/1+cos(T)

3)prove:1-tan^2(T)/1+tan^2(T)=1 - 2sin^2(T)

1)prove:tan(T)-cot(T)/tan(T)+cot(T)=2sin^2(T) - 1

2)prove:1-cos(T)/sin(T)=sin(T)/1+cos(T)

3)prove:1-tan^2(T)/1+tan^2(T)=1 - 2sin^2(T)