given tanθ= -2√10/3 and π/2<θ< π find:
sin2θ
tan θ/2
given sinθ=-5/13 and π<θ<3π/2 find
sin2θ
cos( θ-4π/3)
sin(θ/2)
can some1 explain this to me please?
sin2θ
tan θ/2
given sinθ=-5/13 and π<θ<3π/2 find
sin2θ
cos( θ-4π/3)
sin(θ/2)
can some1 explain this to me please?