Question
Trigonometric identity
SinD tanD
Simplify please
SinD tanD
Simplify please
Answers
Steve
there's not a good one. sinD*tanD = sin^2D/cosD
but that's not very useful, nor any simpler
now, cosD * tanD = sinD
but that's not very useful, nor any simpler
now, cosD * tanD = sinD