Answer:
Solution: -∞ < x < ∞
Interval Notation: (-∞
, ∞
)
Step-by-step explanation
x*2+42*2+3x+2
= 5x+4 * 2x+2
= 5x+8x+2
= 13x+2
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]
Didivide both sides by (3r^4)
t=