Question

Find the value of tan ( 45° + θ) . tan ( 45° - θ)

Answer 1

(1+Q)

So what’s up hello

Answer 2

hi this question is solve in this way.
tan(45+x).tan(45-x)
(tan45+tanx)/1-tan45tanx . (tan45-tanx)/1+tan45tanx) ..(1)
we put value of tan45 = 1 in eq (1) and we get
(1+tanx)/(1-tanx) × (1-tanx)/(1+tanx)
after that we get answer is 1