Question

20. If x > 0; x<0 and x = 0, then tan-1x + cot-?x=
Α) π
c)
77
3​

Answer 1

Step-by-step explanation:

A paragraph is a group of words put together to form a group that is usually longer than a sentence. Paragraphs are often made up of several sentences. There are usually between three and eight sentences. ... This topic sentence of the paragraph tells the reader what the paragraph will be about.