Answer:
1.cosx×cscx
=cosx×1/sinx
=cosx/sinx
=cotx
2.cotx×secx×sinx
=1/tanx×1/cosx×sinx
=1/tanx×sinx/cosx
=1/tanx×tanx
=1
hope it helps you
3/8 + 3/5 = <u>39/40</u> and 39/40 Can't be <em>simplified</em>
0.09
Step-by-step explanation:
I think D
