Mathematics
Mccannon624
2017-08-13 10:59:45
what does tanx sinx (cos^2x cscx- sinx) simplify to
ANSWERS
faizah98
2017-08-13 16:55:41

tanx sinx (cos^2x cscx- sinx) =(sinx/cosx)((cos^2x cscx- sinx) =(sinx/cosx)((cos^2x 1/sinx- sinx) =(sinx/cosx)((cos^²x - sin²x)] / sinx =(sinx/cosx)((cos^²x - sin²x)] / sinx =(1/cosx)((cos^²x - sin²x)] =(1/cosx)(2cos²x====> = 2 cos x]

ADD ANSWER