SOLUTION: im given sinx= - radical 7/2 ans pi<x< 3 pi/2. i nesd to find sin2x, cos2x, tan2x, cosx/2, tanx/2, 2x and x/2 in what quadrant

Algebra ->  Trigonometry-basics -> SOLUTION: im given sinx= - radical 7/2 ans pi<x< 3 pi/2. i nesd to find sin2x, cos2x, tan2x, cosx/2, tanx/2, 2x and x/2 in what quadrant      Log On