0 Comments
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
9.4m questions
12.2m answers