Irregular Quadrilateral? I think?
Answer:
tanx + cotx = 
Step-by-step explanation:
<u><em>Explanation</em></u>
Take R.H.S = 
= 
= 
= 
= tanx + cotx
tanx + cotx = 
Answer:
the answers are <em>interquartile range</em> and <em>mean absolute deviation</em>
Step-by-step explanation:
423 divided by 898 is 0.47104677...
Hope I could help! :)