Step-by-step explanation:
if it's easy why don't you do it. not trying to be rude are whatever
<h3><u>Answer</u> :</h3>
For triangle : A + B + C = π
⇒ A + B = π - C
⇒ cot(A + B) = cot(π - C)
⇒ 
⇒ 
<u>Now 1st part of the given expression</u>!
⇒ 
⇒ 
⇒ 
⇒ 1 - cotB cotC
<u>Similarly 2nd part</u>!
⇒ 1 - cotA cotB
<u>Similarly 3rd part</u>!
⇒ 1 - cotC cotA
<u>LHS</u> :


= <u>RHS</u>
<h3>Hence Proved!!</h3>
Work:
There are six faces to a die.
Three sequences.
6*3=18.
The answer is eighteen different sequences.
The answer should be "Vertical".
Because according to Google, the Vertical Angle Postulate, is occurs when <span>If two </span>angles<span> form a linear pair, then the measures of the </span>angles<span> add up to 180°. If two angles are vertical angles, they are congruent.
Hope this helps!!!:)</span>
Answer:
The answer will be 3.55
Step-by-step explanation: