Question

prove that tan 35⁰ + tan 10⁰ +tan 35⁰ tan 10⁰ = 1

Answer 1

tan45=[tan(35) +tan(10)]/( 1-tan35*tan10)
(1-tan35*tan10)*tan45=tan35 +tan10
1-tan35 tan10 =tan35+tan10
tan35+tan10+tan35*tan10=1
I hope u understand

Answer 2

this will be the process of solving this question