Question

1-tan(45°-O)
21. The value of
1+tan? (45°-O)
is​

Answer 1

Answer:

(1+tan1∘)(1+tan2∘)(1+tan3∘)…(1+tan45∘)

= (1+tan1∘)(1+tan44∘)(1+tan2∘)(1+tan43∘)…(1+tan45∘)

Clearly there are 22 pairs of form (1+tanA)(1+tanB)

So, Total =222×2=223

So, n=23