The lengths of a rectangle have been measured to the nearest tenth of a centimetre they are 87.3cm and 51.8cm what is the upper
1 answer:
You might be interested in
Answer:
Step-by-step explanation:
Hello,
<u><em>Is this equality true ?</em></u>
sec x csc x(tan x + cot x) = 2+tan^2 x + cot^2 x
<u>1. let 's estimate the left part of the equation</u>
<u>1. let 's estimate the right part of the equation</u>
<u /><u />
This is the same expression
So
sec x csc x(tan x + cot x) = 2+tan^2 x + cot^2 x
hope this helps