If 0 < θ < π/2, then what do we know about θ/2 and 2θ? Explain.

Answer 1

If 0 < θ < π/2, then what do we know about θ/2 and 2θ? Explain.

(1/2) (0 < θ < π/2) ==> 0/2 < θ/2 < (π/2)/2 ==> 0 < θ/2 < π/4

(2) (0 < θ < π/2) ==> 2(0) < 2θ < 2(π/2) ==> 0 < 2θ < π